What grade are you in? grade
1 = grade 1 (vocational school)
2 = grade 2 (vocational school)
3 = grade 3 (vocational school)
4 = grade 7
5 = grade 8
6 = grade 9
7 = grade 10
8 = grade 11
9 = grade 12
10 = grade 13
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Which one of the following programmes are you in?
1 = Lower secondary, some with access to upper secondary (special education)
2 = Lower secondary, some with access to upper secondary; basic general education (exclusively students of the same track)
3 = Lower secondary, access to upper secondary; extensive general education (exclusively students of the same track)
4 = Lower secondary, access to upper secondary ; academic education (exclusively students of the same track) - Upper seconda
5 = Lower secondary comprehensive, achievement-based access to upper secondary (within school streaming) - Upper secondary c
6 = Lower secondary comprehensive, expectedly no access to upper; basic general education (different tracks taught together)
7 = Lower secondary comprehensive, expectedly access to upper; extensive general education (different tracks taught together
8 = Lower secondary comprehensive, no access to upper; basic general education (different tracks taught separately)
9 = Lower secondary comprehensive, access to upper; extensive general education (different tracks taught separately)
10 = Lower secondary comprehensive, access to upper secondary; academic education (different tracks taught separately) - Uppe
11 = Lower secondary, expectedly no access to upper; basic general education (students of different tracks taught together)
12 = Lower secondary, expectedly access to upper; extensive general education (students of different tracks taught together)
13 = Lower secondary, no access to upper; basic general education (students of different tracks taught separately)
14 = Lower secondary, access to upper; extensive general education (students of different tracks taught separately)
15 = Lower secondary with access to upper (Waldorf school) - Upper secondary (Waldorf school [cf. key 16])
16 = Pre-vocational training year upper secondary level
17 = Vocational school upper secondary level
18 = Vocational school
19 = Upper secondary (vocational), qualifying for subject-specific tertiary education
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

On what date were you born? Monat
1 = January
2 = February
3 = March
4 = April
5 = May
6 = June
7 = July
8 = August
9 = September
10 = October
11 = November
12 = December
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

On what date were you born? Jahr
2002 = 2002
2003 = 2003
2004 = 2004
2005 = 2005
2006 = 2006
2007 = 2007
2008 = 2008
2009 = 2009
2010 = 2010
9995 = Valid Skip
9997 = Not Applicable
9998 = Invalid
9999 = No Response

Are you female, male or diverse?
1 = Female
2 = Male
3 = Diverse
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

What is the highest level of schooling completed by your mother?
1 = Abitur/general or subject-specific higher education entrance qualification, university of applied sciences entrance qual
2 = Intermediate secondary school degree (e.g. 'Realschulabschluss' or comparable degree)
3 = Lower secondary school degree or comparable degree (e.g. 'Mittelschulabschluss' (Bavaria), vocational training entrance
4 = Polytechnic secondary school degree of the former GDR
7 = Others
8 = She did not complete school with a certification.
9 = She did not attend school.
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Does your mother have any of the following qualifications? PhD/doctoral degree
1 = Yes
2 = No
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

What is the highest level of schooling completed by your father?
1 = Abitur/general or subject-specific higher education entrance qualification, university of applied sciences entrance qual
2 = Intermediate secondary school degree (e.g. 'Realschulabschluss' or comparable degree)
3 = Lower secondary school degree or comparable degree (e.g. 'Mittelschulabschluss' (Bavaria), vocational training entrance
4 = Polytechnic secondary school degree of the former GDR
7 = Others
8 = He did not complete school with a certification.
9 = He did not attend school.
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

National Centre 6-digit Code
United Arab Emirates: excl. private schools in Abu Dhabi and Dubai
United Arab Emirates: Abu Dhabi private schools
United Arab Emirates: Dubai private schools

Adjudicated sub-region code 7-digit code (3-digit country code + region ID + stratum ID)
United Arab Emirates: Rest of the country

OECD country
0 = No
1 = Yes

Zuwanderungsstatus 2018 mit 4 Kategorien
1 = kein Migrationshintergrund
2 = ein Elternteil im Ausland geboren
3 = zweite Generation
4 = erste Generation
9 = nicht kategorisierbar

Schulart Deutschland
1 = Hauptschule
2 = MBG
3 = Gesamtschule (IG)
4 = Realschule
5 = Gymnasium
6 = Berufliche Schulen (BS)
8 = Sonderschule/Foerderschule

How many of these items are there at your [home]: Musical instruments (e.g. guitar, piano, [country-specific example])
1 = None
2 = One
3 = Two
4 = Three or more
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How many [digital devices] with screens are there in your [home]?
1 = There are no <digital devices> with screens.
2 = One
3 = Two
4 = Three
5 = Four
6 = Five
7 = 6 to 10
8 = More than 10
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How many of the following [digital devices] are in your [home]: Televisions
1 = None
2 = 1 or 2
3 = 3 - 5
4 = More than 5
5 = I don't know.
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How many books are there in your [home]?
1 = There are no books.
2 = 1-10 books
3 = 11-25 books
4 = 26-100 books
5 = 101-200 books
6 = 201-500 books
7 = More than 500 books
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How many of these books at [home]: Religious books (e.g. [Bible], [Example 2])
1 = None
2 = 1-5
3 = 6-10
4 = More than 10
5 = I don't know
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Now think about where you would place your family on this scale. Where would you say your family stands at this time?
1 = 1
2 = 2
3 = 3
4 = 4
5 = 5
6 = 6
7 = 7
8 = 8
9 = 9
10 = 10
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How long have you been enrolled at this school?
1 = Three or more school years, not including this school year
2 = Two school years, not including this school year
3 = One school year, not including this school year
4 = I came to this school at the start of this school year.
5 = I came to this school after the start of this school year.
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How old were you when you started [ISCED 0]: Years
1 = 1 year or younger
2 = 2 years
3 = 3 years
4 = 4 years
5 = 5 years
6 = 6 years or older
7 = I did not attend <ISCED 0>
8 = I do not remember
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How old were you when you started [ISCED 1]: Years
1 = 3 or younger
2 = 4
3 = 5
4 = 6
5 = 7
6 = 8
7 = 9 or older
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

In the last two full weeks of school, how often: I [skipped] a whole school day
1 = Never
2 = One or two times
3 = Three or four times
4 = Five or more times
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Agree/disagree: The teachers at my school are respectful towards me.
1 = Strongly disagree
2 = Disagree
3 = Agree
4 = Strongly agree
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Agree/disagree: I feel like an outsider (or left out of things) at school.
1 = Strongly agree
2 = Agree
3 = Disagree
4 = Strongly disagree
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

In past 12 months, how often: Other students left me out of things on purpose.
1 = Never or almost never
2 = A few times a year
3 = A few times a month
4 = Once a week or more
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How many days/wk before school: Eat breakfast
1 = 0 days
2 = 1 day
3 = 2 days
4 = 3 days
5 = 4 days
6 = 5 or more days
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How often parents/family member: Discuss how well you are doing at school.
1 = Never or almost never
2 = About once or twice a year
3 = About once or twice a month
4 = About once or twice a week
5 = Every day or almost every day
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Agree/disagree: I keep working on a task until it is finished.
1 = Strongly disagree
2 = Disagree
3 = Neither agree nor disagree
4 = Agree
5 = Strongly agree
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

This school year, how many hours/day use [digital resources] for: For learning activities at school
1 = None
2 = Up to 1 hour
3 = More than 1 hour and up to 2 hours
4 = More than 2 hours and up to 3 hours
5 = More than 3 hours and up to 4 hours
6 = More than 4 hours and up to 5 hours
7 = More than 5 hours and up to 6 hours
8 = More than 6 hours and up to 7 hours
9 = More than 7 hours
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How often: I turn off notifications from social networks and apps on my [digital devices] during class.
1 = Never or almost never
2 = Less than half of the time
3 = About half of the time
4 = More than half of the time
5 = All or almost all of the time
6 = Not applicable
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Overall, how satisfied are you with your life as a whole these days?
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

To learn about future study/work, have you: I did an internship.
1 = Yes, once
2 = Yes, two or more times
3 = No
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

On 1-10 scale, rate quality of mathematics instruction this school year? Quality of mathematics instruction?
1 = Worst mathematics instruction possible1
2 = 2
3 = 3
4 = 4
5 = 5
6 = 6
7 = 7
8 = 8
9 = 9
10 = Best mathematics instruction possible10
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How often: Students do not listen to what the teacher said.
1 = Every lesson
2 = Most lessons
3 = Some lessons
4 = Never or almost never
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How often: The teacher asked us to solve mathematics problems without computing anything.
1 = Never or almost never
2 = Less than half of the lessons
3 = About half of the lessons
4 = More than half of the lessons
5 = Every lesson or almost every lesson
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How often at school: Working out from a [train timetable] how long it would take to get from one place to another
1 = Frequently
2 = Sometimes
3 = Rarely
4 = Never
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How confident in math tasks: Working out from a [train timetable] how long it would take to get from one place to another
1 = Not at all confident
2 = Not very confident
3 = Confident
4 = Very confident
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How familiar are you with the following mathematical terms: Divisor
1 = Never heard of it
2 = Heard of it once or twice
3 = Heard of it a few times
4 = Heard of it often
5 = Know it well, understand the concept
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

This school year, how often: I actively participated in group discussions during mathematics class.
1 = Never or almost never
2 = Less than half of the time
3 = About half of the time
4 = More than half of the time
5 = All or almost all of the time
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How much time spent on homework in: Mathematics homework
1 = Up to 30 minutes a day
2 = More than 30 minutes and up to 1 hour a day
3 = More than 1 hour and up to 2 hours a day
4 = More than 2 hours and up to 3 hours a day
5 = More than 3 hours and up to 4 hours a day
6 = More than 4 hours a day
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

[Additional math instruction] received: One-on-one tutoring with a person
0 = Not Checked
1 = Checked
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

In your school, how often participate in: Art classes/activities (e.g. painting, drawing)
1 = Never or almost never
2 = About once or twice a year
3 = About once or twice a month
4 = About once or twice a week
5 = Every day or almost every day
6 = Not available at school
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Out of school, how often participate in: Art classes/activities (e.g. painting, drawing)
1 = Never or almost never
2 = About once or twice a year
3 = About once or twice a month
4 = About once or twice a week
5 = Every day or almost every day
6 = Not available
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

In last 3 years, did school close because: Because of COVID-19
1 = No
2 = Yes, up to 1 month
3 = Yes, more than 1 month and up to 3 months
4 = Yes, more than 3 months and up to 6 months
5 = Yes, more than 6 months and up to 12 months
6 = Yes, more than 12 months
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

During COVID closures, how often: Sent you learning materials to study on your own
1 = Never
2 = A few times
3 = About once or twice a week
4 = Every day or almost every day
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

During COVID closures, which of the following digital devices did you use most often for your school work?
1 = My own laptop, desktop computer, or tablet
2 = My own smartphone
3 = A digital device that was also used by other family members
4 = A digital device that my school gave or lent to me
5 = I did not have any digital device for my schoolwork.
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

During COVID closures, how much learned compared to typical week of in person school?
1 = I learnt less when my school building was closed.
2 = I learnt about as much when my school building was closed.
3 = I learnt more when my school building was closed.
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Overall, how prepared feel for learning on own if school building closed again for extended period the future?
1 = Not prepared at all
2 = Not very prepared
3 = Well prepared
4 = Very well prepared
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How often use at school: Desktop or laptop computer
1 = Never or almost never
2 = About once or twice a month
3 = About once or twice a week
4 = Every day or almost every day
5 = Several times a day
6 = This resource is not available to me at school
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How often use out of school: Desktop or laptop computer
1 = Never or almost never
2 = About once or twice a month
3 = About once or twice a week
4 = Every day or almost every day
5 = Several times a day
6 = This resource is not available to me outside of school
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How often use [digital resources] in lessons in: [Test language]
1 = Never or almost never
2 = In less than half of the lessons
3 = In about half of the lessons
4 = In more than half of the lessons
5 = In every or almost every lesson
6 = I do not have this subject
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How often: I use [digital resources] for simple calculations.
1 = Never or almost never
2 = About once or twice a year
3 = About once or twice a month
4 = About once or twice a week
5 = Every day or almost every day
6 = Does not apply
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How much time spent: Play video-games (using my smartphone, a gaming console or an online platform or apps)
1 = No time at all
2 = Less than 1 hour a day
3 = Between 1 and 3 hours a day
4 = More than 3 hours and up to 5 hours a day
5 = More than 5 hours and up to 7 hours a day
6 = More than 7 hours a day
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How upset were you when: Encountering content online that was inappropriate for my age
1 = This did not happen to me
2 = Not at all upset
3 = A little upset
4 = Quite upset
5 = Very upset
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Can do with [digital resources]: Search for and find relevant information online
1 = I cannot do this
2 = I struggle to do this on my own
3 = I can do with a bit of effort
4 = I can easily do this
5 = I don't know what this is
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

ISCO-08 Occupation code - Mother
6 = Skilled agricultural, forestry and fishery workers
8 = Plant and machine operators and assemblers
Chief executives, senior officials and legislators
Science and engineering associate professionals
Building and related trades workers, excluding electricians
Market-oriented skilled forestry, fishery and hunting workers
Metal, machinery and related trades workers
Agricultural, forestry and fishery labourers
Production and specialised services managers
Business and administration associate professionals
Subsistence farmers, fishers, hunters and gatherers
Labourers in mining, construction, manufacturing and transport
Hospitality, retail and other services managers
Legal, social, cultural and related associate professionals
Electrical and electronic trades workers
Information and communications technology professionals
Food processing, wood working, garment and other craft and related trades workers
Street and related sales and service workers
Legal, social and cultural professionals
Refuse workers and other elementary workers
Physical and earth science professionals
Physical and engineering science technicians
Travel attendants, conductors and guides
Building frame and related trades workers
Mining and mineral processing plant operators
Domestic, hotel and office cleaners and helpers
Business services and administration managers
Tellers, money collectors and related clerks
Sheet and structural metal workers, moulders and welders, and related workers
Production managers in agriculture, forestry and fisheries
University and higher education teachers
Financial and mathematical associate professionals
Locomotive engine drivers and related workers
Legal, social and religious associate professionals
Electrical equipment installers and repairers
Software and applications developers and analysts
Information and communications technology operations and user support technicians
Food processing and related trades workers
Mining, manufacturing and construction supervisors
Building finishers and related trades workers
Metal processing and finishing plant operators
Vehicle, window, laundry and other hand cleaning workers
Sales, marketing and development managers
Nursing and midwifery associate professionals
Blacksmiths, toolmakers and related trades workers
Manufacturing, mining, construction, and distribution managers
Personal care workers in health services
Electronics and telecommunications installers and repairers
Wood treaters, cabinet-makers and related trades workers
Painters, building structure cleaners and related trades workers
Chemical and photographic products plant and machine operators
Traditional and complementary medicine professionals
Traditional and complementary medicine associate professionals
Information and communications technology service managers
Subsistence mixed crop and livestock farmers
Sales, marketing and public relations professionals
Artistic, cultural and culinary associate professionals
Life science technicians and related associate professionals
Hairdressers, beauticians and related workers
Rubber, plastic and paper products machine operators
Primary school and early childhood teachers
Subsistence fishers, hunters, trappers and gatherers
Ship and aircraft controllers and technicians
Textile, fur and leather products machine operators
Architects, planners, surveyors and designers
Food and related products machine operators
Wood processing and papermaking plant operators
Other stationary plant and machine operators
Chemical and physical science technicians
Medical imaging and therapeutic equipment technicians
Agricultural and forestry production managers
Securities and finance dealers and brokers
Legal and related associate professionals
Information and communications technology operations technicians
Butchers, fishmongers and related food preparers
Blacksmiths, hammersmiths and forging press workers
Messengers, package deliverers and luggage porters
Biologists, botanists, zoologists and related professionals
Chemical products plant and machine operators
Sports, recreation and cultural centre managers
Tailors, dressmakers, furriers and hatters
Life science technicians (excluding medical)
Mobile farm and forestry plant operators
Cleaning and housekeeping supervisors in offices, hotels and other establishments
Fibre preparing, spinning and winding machine operators
Astrologers, fortune-tellers and related workers
Mineral and stone processing plant operators
Cleaners and helpers in offices, hotels and other establishments
Medical and pathology laboratory technicians
Bookmakers, croupiers and related gaming workers
Electrical and electronic equipment assemblers
Aquaculture and fisheries production managers
Statistical, finance and insurance clerks
Railway brake, signal and switch operators
Information and communications technology user support technicians
Bakers, pastry-cooks and confectionery makers
Metal finishing, plating and coating machine operators
Advertising and public relations managers
Inland and coastal waters fishery workers
Sports coaches, instructors and officials
Information and communications technology installers and servicers
Librarians and related information professionals
Farming, forestry and fisheries advisers
Incinerator and water treatment plant operators
Drivers of animal-drawn vehicles and machinery
Garment and related pattern-makers and cutters
Sociologists, anthropologists and related professionals
Medical records and health information technicians
Retired, pensioner, on unemployment benefits
Gardeners, horticultural and nursery growers
Stonemasons, stone cutters, splitters and carvers
Well drillers and borers and related workers
Coding, proof-reading and related clerks
Electrical line installers and repairers
Computer network and systems technicians
Metal working machine tool setters and operators
Fitness and recreation instructors and program leaders
Woodworking-machine tool setters and operators
Meter readers and vending-machine collectors
Agricultural and industrial machinery mechanics and repairers
Technical and medical sales professionals (excluding ICT)
Philosophers, historians and political scientists
Crane, hoist and related plant operators
Product graders and testers (excluding foods and beverages)
Translators, interpreters and other linguists
Aircraft pilots and related associate professionals
Environmental and occupational health and hygiene professionals
Packing, bottling and labelling machine operators
Senior officials of special-interest organisations
Concrete placers, concrete finishers and related workers
Cement, stone and other mineral products machine operators
Medical and dental prosthetic technicians
Statistical, mathematical and related associate professionals
Metal polishers, wheel grinders and tool sharpeners
Supply, distribution and related managers
Training and staff development professionals
Petroleum and natural gas refining plant operators
Real estate agents and property managers
Information and communications technology sales professionals
Fumigators and other pest and weed controllers
Bleaching, dyeing and fabric cleaning machine operators
Film, stage and related directors and producers
Answer too general (e.g. good job, well paid job, employee, worker)
Glass makers, cutters, grinders and finishers
Other artistic and cultural associate professionals
Social work and counselling professionals
Air traffic safety electronics technicians
Fur and leather preparing machine operators
Sign writers, decorative painters, engravers and etchers
Tobacco preparers and tobacco products makers
Mining engineers, metallurgists and related professionals
Financial and insurance services branch managers
Shoemaking and related machine operators
Announcers on radio, television and other media
Handicraft workers in wood, basketry and related materials
Air conditioning and refrigeration mechanics
Environmental and occupational health inspectors and associates
Handicraft workers in textile, leather and related materials
Physical and engineering science technicians not elsewhere classified
Building frame and related trades workers not elsewhere classified
Business services and administration managers not elsewhere classified
Handicraft workers not elsewhere classified
Clerical support workers not elsewhere classified
Protective services workers not elsewhere classified
Software and applications developers and analysts not elsewhere classified
Legal professionals not elsewhere classified
Animal producers not elsewhere classified
Client information workers not elsewhere classified
Personal care workers in health services not elsewhere classified
Manufacturing labourers not elsewhere classified
Database and network professionals not elsewhere classified
Elementary workers not elsewhere classified
Process control technicians not elsewhere classified
Business services agents not elsewhere classified
Services managers not elsewhere classified
Engineering professionals not elsewhere classified
Professional services managers not elsewhere classified
Craft and related workers not elsewhere classified
Textile, fur and leather products machine operators not elsewhere classified
Health associate professionals not elsewhere classified
Teaching professionals not elsewhere classified
Regulatory government associate professionals not elsewhere classified
Creative and performing artists not elsewhere classified
Personal services workers not elsewhere classified
Health professionals not elsewhere classified
Stationary plant and machine operators not elsewhere classified

Unique national study programme code
Austria : Vocational school for apprentices
Panama : Lower Secondary Education // no-regular subsystem of education for Youth and Adults
El Salvador : Secondary education lower (Programs implemented at night for people that works a job during the day)
Argentina : Adults Primary Programme (3th and 4th year)
Czech Republic : Secondary special school, vocational education predominantly
Ukraine : General sec. ed. with extensive learning of some subjects wrt. sudent's choice with pre-prof. training (upper)
Switzerland : Foreign (international) programmes, secondary education, second stage
Germany : Lower secondary comprehensive, no access to upper; basic general ed. (different tracks separately)
Brunei Darussalam : Senior School Upper Years (Year 10 to Year 11)
United Kingdom (excl.Scotland) : Students studying mostly for AS or A Levels in Northern Ireland
Netherlands : Mixed 1-2-3, no tracking, preparing for VMBO or HAVO or VWO, determined at the end of grade 2 or 3
Hungary : Secondary general education 3 (8 years long, grade 7-8)
Malaysia : Secondary education for adults, vocational variant
Uruguay : Vocational upper secondary (Beauty or Textil and Clothing)
Belgium :Special secondary education - lower secondary (training form 3)
Belgium :Special secondary education (training form 3) (Fr Com /Ger)
Panama : Lower Secondary Education // no-regular subsystem of education for Youth and Adults (tele-education modality)
Germany : Pre-vocational training year upper secondary level
Brunei Darussalam : Lower and Upper Secondary (Year 7 to 11)
Paraguay : Basic Education (grades 7 to 9)
Guatemala : Secondary education (lower)
Portugal : Basic Schooling - Regular Curriculum - 3rd cycle - lower secondary
Uzbekistan : Secondary education (lower)
Italy : Artistic, Classical, Linguistic, Music & performing arts, Scientific (applied science), Social (socio-economic)
Azerbaijan_Baku : Lower secondary education
Panama : Lower Secondary Education (regular modality) // regular subsystem of education
Romania : General education, leading to the continuation of studies (lower secondary education)
National Center for Assessment - Saudi Arabia : lower secondary education
Japan : Upper secondary education(General)
Estonia : Lower secondary education (grades 7 to 9)
Morocco : Lower secondary education (preparatory)
Ukraine : General secondary education (lower)
Dominican Republic : First cycle of Secondary Education
Spain : Compulsory Secondary Education - First Cycle
Hong Kong-China : Lower Secondary in G & I Sch.
Slovenia : Secondary general education - general and cassical gymnasiums
Palestinian Authority : Secondary Education (Lower)
Cambodia : General education curriculum (Lower secondary)
Australia : Lower secondary general academic
Macao-China : Grammar or International Program at Lower Secondary Levels
Switzerland : Secondary education, first stage
Germany : Lower secondary, some with access to upper secondary (special education)
Israel : Primary + Lower secondary education, grades 1-8
Brunei Darussalam : Lower Secondary Education
Cyprus : General Secondary Education - Gymnasium - Lower
Former Yugoslav Republic of Macedonia : Primary Education - nine years
United Kingdom (excl.Scotland) : Students studying mostly toward GCSEs in England and Wales
Denmark : Primary and lower secondary (public school, private school)
Philippines : Secondary education (lower)
Netherlands : practical preparation for labour market
United Kingdom (Scotland) : Senior Phase and studying mainly towards qualifications at SCQF level 1-5
Chinese Taipei : lower secondary education
Costa Rica : Secondary education (lower)
Kazakhstan : Programme of basic secondary education (5-9 grades);
Republic of Moldova : Secondary Education (lower), cycle I
United Arab Emirates :Secondary education (lower - Ministry of Education)
Belgium :(First year A of first stage of) secondary Education
Belgium :1st or 2d year of general education (=First degree of general education (Fr/Ger)).
Austria : Intermediate technical and vocational school (3 and 4 years)
Panama : Upper Secondary Ed., academic-oriented program // no-regular subsystem of education for Youth and Adults
El Salvador : Secondary education upper (Programs implemented at night for people that works a job during the day)
Argentina : Adults Lower Secondary Programme (1st, 2nd and 3rd year)
Ukraine : General secondary education with basic preprofessional education (lower)
Germany : Lower secondary comprehensive, access to upper; extensive general ed. (different tracks separately)
Brunei Darussalam : Senior School Upper Years (Year 12 to Year 13)
United Kingdom (excl.Scotland) : Students studying towards int'l qualifications (Int'l or European Bacc. in N. Ireland)
Hungary : Secondary general education 3 (8 years long, grade 9-12)
Belgium :First, second & third degrees of Special secondary education ( form 4) (Fr Com/Ger)
Germany : Vocational school upper secondary level
Bulgaria : Secondary education - general non-profiled (upper)
Guatemala : Secondary education (upper), academic
Portugal : Basic Schooling - Specialized Arts Curriculum - 3rd cycle - lower secondary
Austria : New Secondary school/Lower Secondary school
Uzbekistan : Secondary education (upper)
Colombia : Secondary education (upper), academic
Azerbaijan_Baku : Upper secondary education
Croatia : Four year or five year vocational programmes
Panama : Upper Secondary Ed., academic-oriented program (regular track, grades 10-12) regular subsystem of education
El Salvador : Secundary education upper (General program two year upper secondary education)
Argentina : General Programme - Lower Secondary (1st, 2nd and 3rd year)
Romania : High School (upper secondary education)
Chile : First cycle of upper Secondary general education
Iceland : Secondary education (upper), general programmes
Sweden : Upper secondary school, general orientation
National Center for Assessment - Saudi Arabia : secondary education with direct access to tertiary education
Japan : College of Technology (First 3 years)
Czech Republic : 6, 8-year gymnasium and 8-year conservatory (lower secondary)
Estonia : Upper secondary (grades 10 to 12)
Morocco : Upper secondary education (Qualifying)-Original Education
Ukraine : General secondary education (upper)
Dominican Republic : Second cycle of Secondary Education
Canada : Quebec: Secondary 1 corresponds to Grade 7, Secondary 2 to Grade 8, Secondary 3 to Grade 9
Spain : Compulsory Secondary Education - Second Cycle
Hong Kong-China : Upper Secondary in G & I Sch.
Slovenia : Secondary general education - technical gymnasiums
Palestinian Authority : Secondary Education (Upper) - Academic Sreams
Cambodia : General education curriculum (Upper secodary)
Australia : Lower secondary with some VET subjects
Finland : Basic education, voluntary additional year of basic education
Macao-China : Grammar or International Program at Higher Secondary Levels
Switzerland : Preparatory course for vocational education
Germany : Lower secondary, some w/access to upper secondary; basic general ed. (exclusively students of the same track)
Israel : Primary + Lower secondary education, grades 1-9
Brunei Darussalam : Upper Secondary General 4 Years
Cyprus : General Secondary Education - Gymnasium - Upper
Former Yugoslav Republic of Macedonia : Secondary Education - Gymnasium/General
United Kingdom (excl.Scotland) : Students studying mostly for AS or A Levels in England and Wales
Denmark : Continuation school (boarding)
Philippines : Secondary education (upper)
Netherlands : general vocational oriented; in next year tracks into BB, KB, GL, TL
United Kingdom (Scotland) : Senior Phase and studying mainly towards qualifications at SCQF level 6 or 7
Hungary : Language Preparatory 7th grade(7Ny grade)
Chinese Taipei : regular senior secondary education
Uruguay : Lower Sec. with technological component/Lower Sec. with technological & rural component in rural towns/areas
Norway : Secondary level (upper), academic programme/ general studies
Costa Rica : Secondary education (upper) academic
Kazakhstan : Programme of general secondary ed. (10-12 grades of general secondary schools, gymnasiums, lyceums etc)
Republic of Moldova : Secondary Education (upper), cycle II
Montenegro : lower secondary or 3rd cycle of compulsory basic education
United Arab Emirates :Secondary education (lower)
Belgium :(First year B of first stage of secondary Education) – Remedial/Prevocational, Classified as General
Belgium :1st or 2d year of complementary education
Austria : Intermediate technical and vocational school (1 and 2 years)
Panama : Upper Sec. Ed., pre-voc-type prgm.(ind. trades bacc. diploma) no-regular subsystem of ed. for Youth/Adults
El Salvador : Secondary education lower (E-learning)
Argentina : Adults Upper Secondary Programme (4th, 5th and 6th year)
Ukraine : General secondary education with basic preprofessional education (upper)
Germany : Lower secondary comprehensive, access to upper secondary; academic ed. (different tracks separately)
Brunei Darussalam : Lower Secondary Tahfiz Al-Quran
United Kingdom (excl.Scotland) : Students studying mostly towards level 1 vocational qualifications in Northern Ireland
Hungary : Secondary general education 3 after Language Preparatory (8 years long, grade 7-8)
Bulgaria : Secondary education - general profiled (upper)
Greece : Technical-Vocational secondary education (upper)
Paraguay : High School Education-General
Korea : Upper Secondary Vocational Education
Guatemala : Secondary education (upper), technic
Portugal : Basic Schooling - vocational orientation, 3rd cycle - lower secondary
Austria : Pre-vocational school (grade 7-8) and Pre-vocational school (grade 9)
Uzbekistan : Secondary-specialized education (academic lyceum)
Colombia : Secondary education (upper), technic
Malta : General post-secondary education ('O' Level Course)
Italy : Vocational Institute, Art Institute (Industry and Craft Workers)
Azerbaijan_Baku : Upper secondary vocational education
Panama : Upper Secondary Ed., pre-vocational-type program (industrial trades bacc. diploma) regular subsystem of ed.
El Salvador : Secondary education upper (Vocational upper secondary education)
Argentina : General Programme - Upper Secondary (4th, 5th and 6th year)
Romania : Vocational programmes with a duration of three years (leading to qualifications - EQF 3)
Chile : Second cycle of upper secondary education, academic orientation
Iceland : Secondary education (upper), vocational programmes
Sweden : Upper secondary school, vocational orientation
National Center for Assessment - Saudi Arabia : technical education with direct access to tertiary education
Japan : Upper secondary education (Vocational)
Turkey : Vocational and Technical Secondary Education
Czech Republic : 6, 8-year gymnasium (upper secondary)
Slovak Republic : 8-year grammar school (ISCED2)
Estonia : Vocational education (years 1 to 4)
Morocco : Upper secondary education (Qualifying)-Arts and humanities
Peru : Alternative Basic Education-Advanced cycle (lower)
Ukraine : General secondary education with extensive learning of some subjects (lower)
Dominican Republic : Secondary education Professional Modality
Hong Kong-China : Vocational Training Programme for Grade 9 School Leavers
New Zealand : Tertiary certificate programmes
Thailand : Vocational Certificate level (Cert. of VOC.)
Mexico : General Lower Secondary by Television
Slovenia : Technical education programmes
Palestinian Authority : Secondary Education (Upper) - Applied Vocational
Cambodia : Complementary programme (Lower secondary)
Poland : Vocational Upper Secondary Programme
Australia : Upper secondary general academic
Finland : General upper secondary education
Macao-China : Technical or Prevocational Program at Higher Secondary Levels
Switzerland : Programme preparing for the university entrance certificate
Germany : Lower secondary, access to upper secondary; extensive general ed. (exclusively students of the same track)
Israel : Lower secondary education, grades 7-9
Brunei Darussalam : Upper Secondary General 5 Years
Cyprus : General Secondary Education - Lyceum
Mongolia : Technical or Vocational programmes
Former Yugoslav Republic of Macedonia : Secondary Education - Vocational - four years
United Kingdom (excl.Scotland) : Students studying towards int'l qualifications(Int'l/European Bacc. - England & Wales)
Albania : Upper Secondary vocational education
Denmark : Pre-vocational and Secondary education
Netherlands : admission to ISCED 3 = MBO level 1-3, post secondary, non tertiary.
United Kingdom (Scotland) : Sr. Phase & studying towards Skills for Work, Prog. Award/Nat'l Certificate - SCQF level 2-5
Hungary : Language Preparatory 9th grade (9Ny grade)
Chinese Taipei : skill-based senior secondary education
Uruguay : Lower secondary in Rural Primary Education
Georgia : Vocational educaiton 1-3 levels
Norway : Secondary level (upper), vocational programme
Costa Rica : Secondary education (upper) technical
Kazakhstan : Programme of technical and vocational education (specialized programme, college)
Republic of Moldova : Professional Technical Secondary Education
Montenegro : 3-year vocational upper secondary
United Arab Emirates :Secondary education (upper - Ministry of Education)
Belgium :Second year of first stage - preparing for vocational upper secundary education, Classified as General
Belgium :1st/2nd year of remedial education (1st degree of remedial education(Fr)) 1st/2nd year B special needs (Ger)
Austria : Intermediate technical and vocational school (agricultural 1 year)
Panama : Upper Sec.Ed., pre-voc-type program (others bacc. diplomas) no-regular subsystem of ed. for Youth/Adults
El Salvador : Secondary education upper (E-learning)
Argentina : Adults Lower Secondary Programme (1st and 2nd year)
Ukraine : Extramural secondary education (lower)
Germany : Upper secondary comprehensive (after lower secondary with different tracks taught separately [cf. key 10])
Brunei Darussalam : Upper Secondary Tahfiz Al-Quran 5 Years Arabic
United Kingdom (excl.Scotland) : Students studying mostly towards level 2 vocational qualifications in Northern Ireland
Hungary : Secondary general education 3 after Language Preparatory (8 years long, grade 9-12)
Germany : Upper secondary (vocational), qualifying for subject-specific tertiary education
Bulgaria : Secondary education - vocational (upper)
Paraguay : Secondary Professional Training
Guatemala : Secondary education (upper), Teacher trainning
Portugal : Secondary Education - Scientific-Humanistic studies - upper secondary
Austria : Special education school (lower secondary)
Uzbekistan : Secondary-specialized education (professional college)
Malta : General post-secondary education ('A' Level Course)
Croatia : Vocational programmes for industry
Panama : Upper Secondary Ed., vocational-type program (industrial trades diploma) regular subsystem of education
El Salvador : Secondary education lower (Accelerated education)
Argentina : Vocational Programme - Lower Secondary (1st, 2nd and 3rd year)
Chile : Second cycle of upper Secondary education, technical orientation
Sweden : Upper secondary school, introduction programmes, vocational orientation
National Center for Assessment - Saudi Arabia : vocational education
Japan : Secondary education (Upper division)
Slovak Republic : 8-year grammar school (ISCED3)
Morocco : Upper secondary education (Qualifying)-Science
Peru : Alternative Basic Education-Advanced cycle (upper)
Ukraine : General secondary education with extensive learning of some subjects (upper)
Dominican Republic : Secondary education Arts Modality
Canada : Quebec: Secondary 4 corresponds to Grade 10 and Secondary 5 corresponds to Grade 11
Hong Kong-China : Vocational Training Programme - Certificate Level
Mexico : General Baccalaureate or Upper Secondary: annual plan
Slovenia : Vocational education programmes of medium duration - school type and dual type/apprenticeship organisation
Palestinian Authority : Secondary Education (Upper) - Vocational
Cambodia : Complementary programme (Upper secodary)
Australia : Upper secondary with some VET subjects
Finland : Vocational education, uppper secondary
Switzerland : Vocational baccalaureat, dual system 3-4 years
Brazil : Youth and Adult Education at the lower secondary education
Germany : Lower secondary, access to upper secondary; academic education (exclusively students of the same track)
Israel : Upper secondary education, grades 10-12
Brunei Darussalam : Upper Secondary Applied
Cyprus : Vocational Secondary Education - Theoretical Studies
Former Yugoslav Republic of Macedonia : Secondary Education - Artistic
United Kingdom (excl.Scotland) : Students studying mostly towards level 1 vocational qualifications in England and Wales
Albania : Upper Secondary oriented education
Denmark : Upper secondary education (general, commercial, technical)
Netherlands : admission to ISCED 3 = MBO level 1-3
United Kingdom (Scotland) : Sr. Phase & studying towards Skills for Work,Prog. Award/National Certificate - SCQF level 6
Hungary : Secondary general education 1 (4 years long)
Chinese Taipei : comprehensive senior secondary education (general courses)
Uruguay : Lower Secondary with a very important technological component
Republic of Moldova : Post-Secondary Professional Technical Education (lower)
Montenegro : 4-year vocational upper secondary
United Arab Emirates :Secondary education (upper)
Belgium :Second year of first stage - Preparing for all streams in mainstream upper secondary education
Belgium :1 year to help students who after 3 years in Isced 2 did not reach the required level . (Fr only)
Austria : Higher technical and vocational college (grade 9-11)
Panama : Lower Secondary Education (multigrade modality) // regular subsystem of education
Argentina : Adults Upper Secondary Programme (3th, 4th and 5th year)
Ukraine : Extramural secondary education (upper)
Germany : Lower secondary, expectedly no access to upper; basic general ed. (students of different tracks together)
Brunei Darussalam : Upper Secondary Tahfiz Al-Quran 5 Years Science
United Kingdom (excl.Scotland) : Students studying mostly towards level 3 vocational qualifications in Northern Ireland
Hungary : Vocational secondary education
Bulgaria : Secondary education - vocational (lower)
Portugal : Secondary Education - Professional - upper secondary
Austria : Special eduction school (upper secondary)
Uzbekistan : Specialized education (lower)
Malta : General post-secondary education (MATSEC Course)
Italy : Vocational training; Vocational Schools of Bolzano and Trento Provinces
Croatia : Vocational programmes for crafts
Panama : Upper Secondary Ed., pre-vocational-type program (others bacc. diplomas) (reg. modality) reg. subsystem of ed.
El Salvador : Secondary education upper (Accelerated education)
Argentina : Vocational programme - Upper Secondary (4th, 5th, 6th and 7th year)
Sweden : Upper sec school, intro programmes, students with the goal of attending upper sec school with gen orientation
Japan : Upper secondary education (Integrated･Other specialized)
Czech Republic : Voc/tech secondary school with maturate
Morocco : Upper secondary education (Qualifying)-Technology
Peru : Technical Productive Education-Middle cycle
Ukraine : General sec. ed. with extensive learning of some subjects in accordance with sudent's profile (lower)
Dominican Republic : Basic Adult Education
Canada : Quebec: Postsecondary non-tertiary (15 years or older in VEC, 16 years or older in DVS and AVS)
Spain : Intermediate Level Vocational Training
Mexico : General Baccalaureate or Upper Secondary: semester plan
Slovenia : Vocational education programmes of short duration
Cambodia : Technical education curriculum (Upper secodary)
Poland : 2nd Level Music and General Education Programme
Finland : Double or triple qualifications on upper secondary level education
Switzerland : Vocational education, dual system 3-4 years
Brazil : Vocational upper secondary education- 3 years long
Germany : Upper secondary (exclusively students of the same track [cf. key 4])
Israel : 4 years Higher education, grades 9-12
Brunei Darussalam : Upper Secondary Special Applied
Cyprus : Vocational Secondary Education - Practical Studies
Former Yugoslav Republic of Macedonia : Secondary education - Vocational - two years
United Kingdom (excl.Scotland) : Students studying mostly towards level 2 vocational qualifications in England and Wales
Albania : Upper Secondary education part - time
Netherlands : admission to ISCED 3 = MBO tertiary level, preparing for upper secondary HAVO
United Kingdom (Scotland) : Broad general education and studying directly for some qualifications at SCQF level 1-5
Hungary : Secondary general education 1 after Language Preparatory (4 years long)
Chinese Taipei : comprehensive senior secondary education (regular courses)
United Arab Emirates :Secondary education (technical -lower)
Belgium :Second & third stage general secondary education
Belgium :3d, 4th, 5th, 6th year of general education (=Second & third degrees of general education (Fr/Ger))
Austria : Higher technical and vocational college (grade 12-13)
Panama : Upper Sec. Ed., pre-voc-type program (others bacc. diplomas) (multigrade modality) regular subsystem of ed.
Argentina : Pre-vocational programme for Adults
Ukraine : Vocational (vocational) and / or professional higher education
Germany : Lower secondary, expectedly access to upper; extensive general ed. (students of different tracks together)
Brunei Darussalam : Lower Secondary Arabic Education
United Kingdom (excl.Scotland) : Students studying toward Entry Level certificates and qualifications in N. Ireland
Hungary : Vocational secondary education after Language Preparatory
Portugal : Secondary Education - Specialized Arts Curriculum -upper secondary
Austria : Academic secondary school lower level
Indonesia : Special junior secondary school
Uzbekistan : Specialized education (upper)
Croatia : Lower qualification vocational programmes
Panama : Upper Secondary Ed., vocational-type prg. (vocational diploma, 'mid-level technician') regular subsystem of ed.
El Salvador : Secondary education lower (Semi-presential, blends presential and virtual learning)
Argentina : General Programme - Lower Secondary (1st and 2nd year)
Sweden : Compulsory special needs schools, for pupils with impaired vision, hearing or speech defects
Czech Republic : Conservatory (upper secondary)
Slovak Republic : High school - branch/class with a school leaving examination
Morocco : Upper secondary education (Qualifying)-Vocational Baccalaureate
Ukraine : General sec. ed. with extensive learning of some subjects in accordance with sudent's profile(upper)
Dominican Republic : Secondary Adult Education: first grade
Mexico : General Baccalaureate or Upper Secondary: 2 years plan
Cambodia : SEN programme (Lower secondary)
Poland : Ballet and General Education Programme
Switzerland : Intermediate diploma education
Brazil : Vocational upper secondary education- 4 years long
Germany : Lower secondary comprehensive, achievement-based access to upper secondary (within school streaming)
Israel : 6 years Higher education, grades 7-9
Brunei Darussalam : Lower Secondary Specialised
Former Yugoslav Republic of Macedonia : Secondary education - Vocational -three years
United Kingdom (excl.Scotland) : Students studying mostly towards level 3 vocational qualifications in England and Wales
Denmark : Special pre-vocational and secondary education
Latvia : General secondary education minority
Netherlands : Lower secondary grades of HAVO, preparing for upper secondary HAVO or MBO (vocational post-secondary ed.)
United Kingdom (Scotland) : Broad general ed./not studying directly for any of these qualifications yet (secondary ed.)
Hungary : Secondary general education 2 (6 years long, grade 7-8)
Chinese Taipei : comprehensive senior secondary education (skill-based courses)
Malaysia : SEN Programme (Lower Secondary)
United Arab Emirates :Secondary education (technical -upper)
Belgium :Second & third stage technical secondary education
Belgium :3d, 4th, 5th, 6th year of technical/artistical education (transition) (Fr/Ger)
Panama : Upper Sec. Ed., comprehensive program //no-regular subsystem of ed. for Youth/Adults (tecno-edúcame modality)
Ukraine : Technical secondary education
Germany : Lower secondary, no access to upper; basic general education (students of different tracks taught separately)
Brunei Darussalam : Upper Secondary Arabic Education 4 Years Science
United Kingdom (excl.Scotland) : Students below Year 11 in Northern Ireland
Paraguay : Basic Education for Youth and Adults (Cycle 4)
Guatemala : Secondary education (lower) Family Nuclei for Educative Development (NUFED)
Portugal : Secondary Education - Vocational orientation - upper secondary
Austria : Academic secondary school upper level
Indonesia : Special senior secondary school
Malta : Vocational education - Levels 2 and 3
Croatia : Primary education - grades 7 and 8
Panama : Upper Secondary Ed., academic-oriented program (special track, grades 10-11) regular subsystem of ed.
El Salvador : Secondary education upper (Semi-presential, blends presential and virtual learning)
Argentina : General Programme - Upper Secondary (3th, 4th and 5th year)
Sweden : Compulsory school for pupils with learning disabilities
Czech Republic : Voc/tech secondary school without maturate
Slovak Republic : High school - branch/class without a school leaving examination
Morocco : Students join vocational training center after grade 6 for only 1 year
Ukraine : General sec. ed. with extensive learning of philosophy, languages or culture and aesthetics (lower)
Dominican Republic : Secondary Adult Education: second to forth grade
Mexico : Technical Baccalaureate or Technical from Upper Secondary
Cambodia : SEN programme (Upper secodary)
Switzerland : Basic vocational education (< 3 years)
Brazil : Vocational upper secondary education
Germany : Upper secondary comprehensive (students taught with students of other tracks at lower secondary [cf. key 6])
Israel : 6 years Higher education, grades 10-12
Brunei Darussalam : Upper Secondary Specialised
Former Yugoslav Republic of Macedonia : Secondary education - Vocational -five years
United Kingdom (excl.Scotland) : Students studying toward Entry Level certificates and qualifications in England & Wales
Netherlands : Upper secondary grades of HAVO, preparing for HBO (higher vocational education/college)
United Kingdom (Scotland) : Broad general ed./not studying directly for any of these qualifications yet (primary ed.)
Hungary : Secondary general education 2 (6 years long, grade 9-12)
Chinese Taipei : five-year junior college program (not including the last two years)
Malaysia : SEN Programme (Upper Secondary)
Uruguay : Technical upper sec./Technical upper sec. (Artistic Bacc.) / Vocational upper sec. (Proficiency bacc.)
Belgium :Second & third stage artistic secondary education
Belgium :3d, 4th, 5th, 6th year of technical or artistical education (qualification) (Fr/Ger)
Panama : Lower Secondary Education // no-regular subsystem of education for Youth and Adults (tecno-edúcame modality)
Ukraine : Vocational education - secondary education in the working field
Germany : Lower secondary, access to upper; extensive general ed. (students of different tracks separately)
Brunei Darussalam : Upper Secondary Arabic Education 5 Years Science
Guatemala : Secondary education (upper) Family Nuclei for Educative Development (NUFED)
Panama : Upper Secondary Education, normal school variant // regular subsystem of education
El Salvador : Secondary education lower (Distance education)
Argentina : Vocational Programme - Lower Secondary (1st and 2nd year)
Ireland : International Baccalaureate Middle Years Programme
Czech Republic : Basic special/practical school
Morocco : Students join Vocational qualification training for 1 year after grade 9
Ukraine : General sec. ed. with extensive learning of philosophy, languages or culture and aesthetics (upper)
Cambodia : Equivalency programme (Lower secondary)
Switzerland : Separate special education needs programmes
Germany : Lower secondary comprehensive, expectedly no access to upper; basic general ed. (different tracks together)
Brunei Darussalam : Post Secondary Education
United Kingdom (excl.Scotland) : Students below Year 10 in England and Wales
Netherlands : Lower secondary grades of VWO, preparing for upper secondary VWO
United Kingdom (Scotland) : At college studying for vocational
Hungary : Secondary general education 2 after Language Preparatory (6 years long, grade 7-8)
Uruguay : Vocational upper secondary with a professional component.
Belgium :Second & third stage vocational secondary education
Belgium :3d, 4th, 5th, 6th year of vocational education (= Second & third degrees of vocational education) (Fr/Ger)
Panama : Upper Sec. Ed., academic-oriented program//no-regular subsystem of ed. for Youth/Adults (tele-ed. modality)
Germany : Lower secondary with access to upper (Waldorf school)
Brunei Darussalam : Upper Secondary Arabic Education 5 Years Arabic
Panama : Lower Secondary Education (tele-education modality) // regular subsystem of education
El Salvador : Secondary education upper (Distance education)
Argentina : Vocational programme - Upper Secondary (3th, 4th , 5th and 6th year)
Ireland : International Baccalaureat Diploma Programme
Ukraine : General sec. ed. with extensive learning of some subjects wrt. sudent's choice with pre-prof. training (lower)
Cambodia : Equivalency programme (Upper secodary)
Switzerland : Foreign (international) programmes, secondary education, first stage
Germany : Lower secondary comprehensive, expectedly access to upper; extensive general ed. (different tracks together)
Brunei Darussalam : Senior School Middle Years (Year 7 to Year 9)
United Kingdom (excl.Scotland) : Students studying mostly toward GCSEs in Northern Ireland
Netherlands : Upper secondary grades of VWO, preparing for university
Hungary : Secondary general education 2 after Language Preparatory (6 years long, grade 9-12)
Malaysia : Vocational College TVET Programme
Belgium :Part-time vocational secondary education focused on the labour market
Belgium :Vocational training focused on the labour market (Fr /Ger)
Panama : Upper Sec. Ed., pre-voc-type pgrm. (others bacc. diplomas) no-regular subsystem of ed. for Youth/Adults
Germany : Upper secondary (Waldorf school [cf. key 16])
Brunei Darussalam : Post Secondary Arabic Education
National Center for Assessment - Saudi Arabia : Missing
Former Yugoslav Republic of Macedonia : Missing
United Kingdom (excl.Scotland) : Missing

Students' age
9995 = Valid Skip
9997 = Not Applicable
9998 = Invalid
9999 = No Response

Grade compared to modal grade in country
9999995 = Valid Skip
9999997 = Not Applicable
9999998 = Invalid
9999999 = No Response

Levels of education programmes (ISCED 2011)
10 = 010 : Early childhood educational development
241 = 241 : Lower secondary education, General, Insufficient for level completion or partial level completion, without direct
242 = 242 : Lower secondary education, General, Sufficient for partial level completion, without direct access to upper second
243 = 243 : Lower secondary education, General, Sufficient for level completion, without direct access to upper secondary educ
244 = 244 : Lower secondary education, General, Sufficient for level completion, with direct access to upper secondary educati
251 = 251 : Lower secondary education, Vocational, Insufficient for level completion or partial level completion, without dire
252 = 252 : Lower secondary education, Vocational, Sufficient for partial level completion, without direct access to upper sec
253 = 253 : Lower secondary education, Vocational, Sufficient for level completion, without direct access to upper secondary e
254 = 254 : Lower secondary education, Vocational, Sufficient for level completion, with direct access to upper secondary educ
341 = 341 : Upper secondary education, General, Insufficient for level completion or partial level completion, without direct
342 = 342 : Upper secondary education, General, Sufficient for partial level completion, without direct access to tertiary edu
343 = 343 : Upper secondary education, General, Sufficient for level completion, without direct access to tertiary education
344 = 344 : Upper secondary education, General, Sufficient for level completion, with direct access to tertiary education
351 = 351 : Upper secondary education, Vocational, Insufficient for level completion or partial level completion, without dire
352 = 352 : Upper secondary education, Vocational, Sufficient for partial level completion, without direct access to tertiary
353 = 353 : Upper secondary education, Vocational, Sufficient for level completion, without direct access to tertiary educatio
354 = 354 : Upper secondary education, Vocational, Sufficient for level completion, with direct access to tertiary education
441 = 441 : Post-secondary non-tertiary education, General, Insufficient for level completion, without direct access to tertia
443 = 443 : Post-secondary non-tertiary education, General, Sufficient for level completion, without direct access to tertiary
444 = 444 : Post-secondary non-tertiary education, General, Sufficient for level completion, with direct access to tertiary ed
451 = 451 : Post-secondary non-tertiary education, Vocational, Insufficient for level completion, without direct access to ter
453 = 453 : Post-secondary non-tertiary education, Vocational, Sufficient for level completion, without direct access to terti
454 = 454 : Post-secondary non-tertiary education, Vocational, Sufficient for level completion, with direct access to tertiary
541 = 541 : Short-cycle tertiary education, General, Insufficient for level completion
544 = 544 : Short-cycle tertiary education, General, Sufficient for level completion
551 = 551 : Short-cycle tertiary education, Vocational, Insufficient for level completion
554 = 554 : Short-cycle tertiary education, Vocational, Sufficient for level completion
641 = 641 : Bachelor's or equivalent level, Academic, Insufficient for level completion
645 = 645 : Bachelor's or equivalent level, Academic, First degree (3–4 years)
646 = 646 : Bachelor's or equivalent level, Academic, Long first degree (more than 4 years)
647 = 647 : Bachelor's or equivalent level, Academic, Second or further degree (following a Bachelor's or equivalent programme
651 = 651 : Bachelor's or equivalent level, Professional, Insufficient for level completion
655 = 655 : Bachelor's or equivalent level, Professional, First degree (3–4 years)
656 = 656 : Bachelor's or equivalent level, Professional, Long first degree (more than 4 years)
657 = 657 : Bachelor's or equivalent level, Professional, Second or further degree (following a Bachelor's or equivalent progr
661 = 661 : Bachelor's or equivalent level, orientation unspecified, Insufficient for level completion
665 = 665 : Bachelor's or equivalent level, orientation unspecified, First degree (3–4 years)
666 = 666 : Bachelor's or equivalent level, orientation unspecified, Long first degree (more than 4 years)
667 = 667 : Bachelor's or equivalent level, orientation unspecified, Second or further degree (following a Bachelor's or equiv
741 = 741 : Master's or equivalent level, Academic, Insufficient for level completion
746 = 746 : Master's or equivalent level, Academic, Long first degree (at least 5 years)
747 = 747 : Master's or equivalent level, Academic, Second or further degree (following a Bachelor's or equivalent programme)
748 = 748 : Master's or equivalent level, Academic, Second or further degree (following a Master's or equivalent programme)
751 = 751 : Master's or equivalent level, Professional, Insufficient for level completion
756 = 756 : Master's or equivalent level, Professional, Long first degree (at least 5 years)
757 = 757 : Master's or equivalent level, Professional, Second or further degree (following a Bachelor's or equivalent program
758 = 758 : Master's or equivalent level, Professional, Second or further degree (following a Master's or equivalent programme
761 = 761 : Master's or equivalent level, orientation unspecified, Insufficient for level completion
766 = 766 : Master's or equivalent level, orientation unspecified, Long first degree (at least 5 years)
767 = 767 : Master's or equivalent level, orientation unspecified, Second or further degree (following a Bachelor's or equival
768 = 768 : Master's or equivalent level, orientation unspecified, Second or further degree (following a Master's or equivalen
841 = 841 : Doctoral or equivalent level, Academic, Insufficient for level completion
844 = 844 : Doctoral or equivalent level, Academic, Sufficient for completion of level
851 = 851 : Doctoral or equivalent level, Professional, Insufficient for level completion
854 = 854 : Doctoral or equivalent level, Professional, Sufficient for completion of level
861 = 861 : Doctoral or equivalent level, orientation unspecified, Insufficient for level completion
864 = 864 : Doctoral or equivalent level, orientation unspecified, Sufficient for completion of level

Index on immigrant background (OECD definition)
1 = Native student
2 = Second-Generation student
3 = First-Generation student
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Student's country of birth
Russia, Kazakhstan, or another former sovjet republic
An Eastern European country (Poland, Romania,, Serbia, Russia,…)
Other Western European country (Spain, Greece, Italy, United Kingdom,…)
One of the other former Yugoslav republics
Former Yugoslavia (Bosnia-Herzegovina, Croatia, Kosovo, Macedonia, Montenegro, Serbia, Slovenia)
Another country within the European Union
In another one of the former Yugoslav republics
A Sub-Saharan country (Africa excl. Maghreb)
Another European country (Turkey not included), North America, Oceania, Indonesia or Japan (Oceania includes New-Zealand
A European country that is not a member of the European Union
Another country in Africa, Latin-America, Asia (Indonesia and Japan excluded) or Turkey (Latin America = Middle America
European Country not in the European Union
Other country outside of the European Union

Language spoken at home
327 = Ethnic minority languages (eg: Tay language, Nung language, Hmong language) (VNM)
531 = An African language (Swahili, Lingala,…)
602 = Minority languages Bulgarian dialects (BGR)
622 = Serbian of a yekavian variant or Montenegrin
627 = Other National dialects or languages (ROU)
639 = Other former Yugoslavian languages (SVN)
666 = Dialect from Ticino or an Italian Region
892 = Other languages spoken in Argentina (quechua, guaran, mapuche)
896 = Another language officially accepted in Italy (Ladino in Alto Adige and French in Val d'Aosta)

Grade repetition
0 = Never repeated
1 = Repeated at lease once
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Skipping classes or days of school
0 = No classes skipped in the prior two weeks
1 = At lease one class skipped in the prior two weeks
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Arriving late for school stricter definition
0 = On-time (not late in the prior two weeks)
1 = Occasionally late (late 1 to 2 times in the prior two weeks)
2 = Frequently late (late 3 or more times in the prior two weeks)
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Exercise or practice a sport before or after school
0 = No exercise or sports
1 = 1 time of exercising or sports per week
2 = 2 times of exercising or sports per week
3 = 3 times of exercising or sports per week
4 = 4 times of exercising or sports per week
5 = 5 times of exercising or sports per week
6 = 6 times of exercising or sports per week
7 = 7 times of exercising or sports per week
8 = 8 times of exercising or sports per week
9 = 9 times of exercising or sports per week
10 = 10 or more times of exercising or sports per week
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Studying for school or homework before or after school
0 = No studying
1 = 1 time of studying per week
2 = 2 times of studying per week
3 = 3 times of studying per week
4 = 4 times of studying per week
5 = 5 times of studying per week
6 = 6 times of studying per week
7 = 7 times of studying per week
8 = 8 times of studying per week
9 = 9 times of studying per week
10 = 10 or more times of study per week
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Working for pay before or after school
0 = No work for pay
1 = 1 time of working for pay per week
2 = 2 times of working for pay per week
3 = 3 times of working for pay per week
4 = 4 times of working for pay per week
5 = 5 times of working for pay per week
6 = 6 times of working for pay per week
7 = 7 times of working for pay per week
8 = 8 times of working for pay per week
9 = 9 times of working for pay per week
10 = 10 or more times of working for pay per week
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Working in household/take care of family members before or after school
0 = No work in household or care of family members
1 = 1 time of working in household or caring for family members per week
2 = 2 times of working in household or caring for family members per week
3 = 3 times of working in household or caring for family members per week
4 = 4 times of working in household or caring for family members per week
5 = 5 times of working in household or caring for family members per week
6 = 6 times of working in household or caring for family members per week
7 = 7 times of working in household or caring for family members per week
8 = 8 times of working in household or caring for family members per week
9 = 9 times of working in household or caring for family members per week
10 = 10 or more times of working in household or caring for family members per week
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Highest expected educational level
1 = Less than ISCED Level 2
2 = ISCED Level 2
3 = ISCED Level 3.3
4 = ISCED Level 3.4
5 = ISCED Level 4
6 = ISCED Level 5
7 = ISCED Level 6
8 = ISCED level 7
9 = ISCED Level 8
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Preference of Math over other core subjects
0 = No preference for mathematics over other subjects
1 = Preference for mathematics over other subjects
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Perception of Mathematics as easier than other subjects
0 = No perception of mathematics as easier than other subjects
1 = Perception of mathematics as easier than other subjects
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Motivation to do well in mathematics
0 = Not more motivated to do well in mathematics than other subjects
1 = More motivated to do well in mathematics than other subjects
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Duration in early childhood education and care
0 = Attended ECEC for less than a year
1 = Attended ECEC for at least one but less than two years
2 = Attended ECEC for at least two but less than three years
3 = Attended ECEC for at least three but less than four years
4 = Attended ECEC for at least four but less than five years
5 = Attended ECEC for at least five but less than six years
6 = Attended ECEC for at least six but less than seven years
7 = Attended ECEC for at least seven but less than eight years
8 = Attended ECEC for at least eight years
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Clear idea about future job
0 = no clear idea of future job
1 = clear idea of future job
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Mother’s level of education (ISCED)
1 = Less than ISCED Level 1
2 = ISCED level 1
3 = ISCED level 2
4 = ISCED level 3.3
5 = ISCED level 3.4
6 = ISCED level 4
7 = ISCED level 5
8 = ISCED level 6
9 = ISCED level 7
10 = ISCED level 8
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Mother’s occupational status (ISEI) based on 4-digit human coded ISCO
995 = Valid Skip
997 = Not Applicable
998 = Invalid
999 = No Response

Availability and Usage of ICT at School
0 = No ICT resources available at school
1 = 1 ICT resource available at school
2 = 2 ICT resources available at school
3 = 3 ICT resources available at school
4 = 4 ICT resources available at school
5 = 5 ICT resources available at school
6 = 6 ICT resources available at school
7 = 7 ICT resources available at school
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Availability and Usage of ICT at Home
0 = No ICT resources available at home
1 = 1 ICT resource available at home
2 = 2 ICT resources available at home
3 = 3 ICT resources available at home
4 = 4 ICT resources available at home
5 = 5 ICT resources available at home
6 = 6 ICT resources available at home
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

REP_BWGT: RANDOMLY ASSIGNED UNIT NUMBER
1 = final variance unit 1
2 = final variance unit 2
3 = final variance unit 3

Lesefähigkeit
1 = Der Schüler kann nur einfache Texte oberflächlich verstehen.
5 = Der Schüler kann auch komplexe, unvertraute Texte flexibel nutzen.
96 = durch SK mit Kreuz/Strich markiert
99 = keine Angabe

How often someone in home does? Discuss how well my child is doing at school
1 = Never or hardly ever
2 = Once or twice a year
3 = Once or twice a month
4 = Once or twice a week
5 = Every day or almost every day
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Which of the following statements best describes the schooling available to students in your location?
1 = There are two or more other schools in this area that compete with the school my child is currently attending.
2 = There is one other school in this area that competes with the school my child is currently attending.
3 = There are no other schools in this area that compete with the school my child is currently attending.
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

When choosing school, how important: The school is at a short distance to home.
1 = Not important
2 = Somewhat important
3 = Important
4 = Very important
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Agree/disagree? Most of my child’s school teachers seem competent and dedicated.
1 = Strongly agree
2 = Agree
3 = Disagree
4 = Strongly disagree
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Last year, have you? Discussed my child’s behaviour with a teacher on my own initiative.
1 = Yes
2 = No
3 = Not supported by school
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Last year, was your participation at child’s school hindered by? The meeting times were inconvenient.
1 = Yes
2 = No
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

In the last twelve months, about how much would you have paid to educational providers for services?
1 = Nothing
2 = <More than $0 but less than $W>
3 = <$W or more but less than $X>
4 = <$X or more but less than $Y>
5 = <$Y or more but less than $Z>
6 = <$Z> or more
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

What is your annual household income?
1 = Less than <$A>
2 = <$A> or more but less than <$B>
3 = <$B> or more but less than <$C>
4 = <$C> or more but less than <$D>
5 = <$D> or more but less than <$E>
6 = <$E> or more
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How many languages, including the language(s) you speak at home, do you speak well enough to converse with others?
1 = One
2 = Two
3 = Three
4 = Four or more
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Agree/disagree: Immigrant children should have the same opportunities for education that other children in the country have.
1 = Strongly disagree
2 = Disagree
3 = Agree
4 = Strongly agree
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

What was the most important reason why your child attended an [early childhood education and care arrangement]?
1 = Attendance was mandatory.
2 = We/I could not care for the child (e.g. work, illness).
3 = We/I wanted additional learning stimulation for the child (e.g. social, academic).
4 = Most other children attended an <early childhood education and care arrangement>.
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

How many hours per week did your child attend a [early childhood education and care arrangement] at age of three years?
1 = 0 hours per week
2 = Up to 10 hours per week
3 = 11-20 hours per week
4 = 21-30 hours per week
5 = 31-40 hours per week
6 = 41-50 hours per week
7 = 51 hours per week or more
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Which qualification do you expect your child to complete? Completion of a special education (grade 5 to 10)
1 = Yes
2 = No
3 = I am not sure
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

How many books are there in your home?
1 = There are no books
2 = 1-10 books
3 = 11-25 books
4 = 26-100 books
5 = 101-200 books
6 = 201-500 books
7 = More than 500 books
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Is the child`s parent or guardian working as an employee or is she/he self-employed? Mother
1 = Employee (working for someone else)
2 = Self-employed (has her own business, is her own boss)
3 = My child does not have this parent or guardian.
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

At her/his job, does the child`s parent or guardian have any formal responsibility for supervising the work of other employees? Mother
1 = No
2 = 1 to 10 people
3 = More than 10 people
4 = My child does not have this parent or guardian.
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Ich fühle mich auch bei der Nutzung digitaler Geräte gut, mit denen ich weniger vertraut bin.
1 = Stimme überhaupt nicht zu
2 = Stimme eher nicht zu
3 = Stimme eher zu
4 = Stimme völlig zu

Deutsch
1 = Keine Zeit
2 = 1-30 Minuten pro Woche
3 = 31-60 Minuten pro Woche
4 = Mehr als 60 Minuten pro Woche
5 = Ich habe dieses Schulfach nicht

Angebote zum Fach Deutsch, z. B. Nachhilfe im Lesen oder Schreiben
1 = gar nicht
2 = ein Mal
3 = mehrmals

Mathematik
1 = Überhaupt nicht interessiert
2 = Kaum interessiert
3 = Eher interessiert
4 = Sehr interessiert
5 = Ich habe dieses Schulfach nicht

Wir bekommen Gelegenheit, unsere Ideen zu erklären.
1 = In allen Stunden
2 = In den meisten Stunden
3 = In einigen Stunden
4 = Nie oder fast nie