Country code 3-character (autorekodiert (FDZ))
1 = Germany

PISA Assessment Cycle (2 digits + 2 character Assessment type - MS/FT) (autorekodiert (FDZ))
1 = 07MS

Stratum ID 7-character (cnt + region ID + original stratum ID) (autorekodiert (FDZ))
1 = DEU - stratum 01: NOR / Baden-Wuerttemberg (BW)
2 = DEU - stratum 02: NOR / Bayern (BY)
3 = DEU - stratum 03: NOR / Berlin (BE)
4 = DEU - stratum 04: NOR / Brandenburg (BB)
5 = DEU - stratum 05: NOR / Bremen (HB)
6 = DEU - stratum 06: NOR / Hamburg (HH)
7 = DEU - stratum 07: NOR / Hessen (HE)
8 = DEU - stratum 08: NOR / Mecklenburg-Vorpommern (MV)
9 = DEU - stratum 09: NOR / Niedersachsen (NI)
10 = DEU - stratum 10: NOR / Nordrhein-Westfalen (NW)
11 = DEU - stratum 11: NOR / Rheinland-Pfalz (RP)
12 = DEU - stratum 12: NOR / Saarland (SL)
13 = DEU - stratum 13: NOR / Sachsen (SN)
14 = DEU - stratum 14: NOR / Sachsen-Anhalt (ST)
15 = DEU - stratum 15: NOR / Schleswig-Holstein (SH)
16 = DEU - stratum 16: NOR / Thueringen (TH)
17 = DEU - stratum 17: SEN schools
18 = DEU - stratum 18: Vocational Schools

OECD country
0 = No
1 = Yes

Mode of Respondent
1 = Paper
2 = Computer

Reading Option (autorekodiert (FDZ))
1 = Standard Cluster

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

What <grade> are you in? <Grade> (Zur Anonymisierung gruppiert (FDZ))
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, 12 or 13
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 secondar
5 = Lower secondary comprehensive, achievement-based access to upper secondary (within school streaming) + Upper secondary c
6 = Lower secondary comprehensive, no access to upper; basic general education (different tracks taught separately)
7 = Lower secondary comprehensive, access to upper; extensive general education (different tracks taught separately)
8 = Lower secondary comprehensive, access to upper secondary; academic education (different tracks taught separately) + Uppe
9 = Lower secondary, expectedly no access to upper; basic general education (students of different tracks taught together)
10 = Lower secondary, expectedly access to upper; extensive general education (students of different tracks taught together)
11 = Lower secondary, no access to upper; basic general education (students of different tracks taught separately)
12 = Lower secondary, access to upper; extensive general education (students of different tracks taught separately)
13 = Lower secondary with access to upper (Waldorf school) + Upper secondary (Waldorf school [cf. key 16])
14 = Pre-vocational training year upper secondary level
15 = Vocational school upper secondary level
16 = Vocational school
17 = Upper secondary (vocational), qualifying for subject-specific tertiary education
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

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

Student (Standardized) Birth - Month
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? Year
1998 = 1998
1999 = 1999
2000 = 2000
2001 = 2001
2002 = 2002
2003 = 2003
2004 = 2004
2005 = 2005
2006 = 2006
9995 = Valid Skip
9997 = Not Applicable
9998 = Invalid
9999 = No Response

On what date were you born? Year (Zur Anonymisierung gruppiert (FDZ))
1998 = 1998
1999 = 1999 - 2000
2000 = 2000
2001 = 2001
2002 = 2002
2003 = 2003
2004 = 2004 - 2006
2005 = 2005
2006 = 2006
9995 = Valid Skip
9997 = Not Applicable
9998 = Invalid
9999 = No Response

Student (Standardized) Gender
1 = Female
2 = Male
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

What is the <highest level of schooling> completed by your mother?
1 = ISCED level 3A
2 = ISCED level 3B, 3C
3 = ISCED level 2
4 = ISCED level 2
5 = ISCED level 2
6 = ISCED level 1
7 = Others
8 = She did not complete ISCED level 1
9 = She did not attend school. Schule besucht.
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Does your mother have this qualification? <ISCED level 6> (incl. higher qualifications at level 5A in some countries)
1 = Yes
2 = No
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

What is the <highest level of schooling> completed by your father?
1 = ISCED 3A
2 = ISCED 3B, 3C
3 = ISCED 2
4 = ISCED 2
5 = ISCED 2
6 = ISCED 1
7 = Others
8 = He did not complete ISCED level 1
9 = He did not attend school
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How many in your home: Televisions
1 = None
2 = One
3 = Two
4 = Three or more
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

How many books are there in your home?
1 = 0-10 books
2 = 11-25 books
3 = 26-100 books
4 = 101-200 books
5 = 201-500 books
6 = More than 500 books
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

ISCO-08 Occupation code - Mother
6000 = Skilled agricultural, forestry and fishery workers
8000 = Plant and machine operators, and assemblers
1100 = Chief executives, senior officials and legislators
3100 = Science and engineering associate professionals
7100 = Building and related trades workers, excluding electricians
6200 = Market-oriented skilled forestry, fishery and hunting workers
7200 = Metal, machinery and related trades workers
9200 = Agricultural, forestry and fishery labourers
1300 = Production and specialised services managers
3300 = Business and administration associate professionals
6300 = Subsistence farmers, fishers, hunters and gatherers
9300 = Labourers in mining, construction, manufacturing and transport
1400 = Hospitality, retail and other services managers
3400 = Legal, social, cultural and related associate professionals
7400 = Electrical and electronic trades workers
2500 = Information and communications technology professionals
7500 = Food processing, wood working, garment and other craft and related trades workers
9500 = Street and related sales and service workers
2600 = Legal, social and cultural professionals
9600 = Refuse workers and other elementary workers
2110 = Physical and earth science professionals
3110 = Physical and engineering science technicians
5110 = Travel attendants, conductors and guides
7110 = Building frame and related trades workers
8110 = Mining and mineral processing plant operators
9110 = Domestic, hotel and office cleaners and helpers
1210 = Business services and administration managers
4210 = Tellers, money collectors and related clerks
7210 = Sheet and structural metal workers, moulders and welders, and related workers
9210 = Agricultural, forestry and fishery labourers
1310 = Production managers in agriculture, forestry and fisheries
2310 = University and higher education teachers
3310 = Financial and mathematical associate professionals
8310 = Locomotive engine drivers and related workers
3410 = Legal, social and religious associate professionals
7410 = Electrical equipment installers and repairers
2510 = Software and applications developers and analysts
3510 = Information and communications technology operations and user support technicians
7510 = Food processing and related trades workers
3120 = Mining, manufacturing and construction supervisors
7120 = Building finishers and related trades workers
8120 = Metal processing and finishing plant operators
9120 = Vehicle, window, laundry and other hand cleaning workers
1220 = Sales, marketing and development managers
3220 = Nursing and midwifery associate professionals
7220 = Blacksmiths, toolmakers and related trades workers
1320 = Manufacturing, mining, construction, and distribution managers
5320 = Personal care workers in health services
7420 = Electronics and telecommunications installers and repairers
7520 = Wood treaters, cabinet-makers and related trades workers
7130 = Painters, building structure cleaners and related trades workers
8130 = Chemical and photographic products plant and machine operators
2230 = Traditional and complementary medicine professionals
3230 = Traditional and complementary medicine associate professionals
1330 = Information and communications technology service managers
6330 = Subsistence mixed crop and livestock farmers
2430 = Sales, marketing and public relations professionals
3430 = Artistic, cultural and culinary associate professionals
3140 = Life science technicians and related associate professionals
5140 = Hairdressers, beauticians and related workers
8140 = Rubber, plastic and paper products machine operators
2340 = Primary school and early childhood teachers
6340 = Subsistence fishers, hunters, trappers and gatherers
3150 = Ship and aircraft controllers and technicians
8150 = Textile, fur and leather products machine operators
2160 = Architects, planners, surveyors and designers
8160 = Food and related products machine operators
8170 = Wood processing and papermaking plant operators
8180 = Other stationary plant and machine operators
3111 = Chemical and physical science technicians
3211 = Medical imaging and therapeutic equipment technicians
1311 = Agricultural and forestry production managers
3311 = Securities and finance dealers and brokers
3511 = Information and communications technology operations technicians
7511 = Butchers, fishmongers and related food preparers
7221 = Blacksmiths, hammersmiths and forging press workers
9621 = Messengers, package deliverers and luggage porters
2131 = Biologists, botanists, zoologists and related professionals
8131 = Chemical products plant and machine operators
1431 = Sports, recreation and cultural centre managers
7531 = Tailors, dressmakers, furriers and hatters
3141 = Life science technicians (excluding medical)
8341 = Mobile farm and forestry plant operators
5151 = Cleaning and housekeeping supervisors in offices, hotels and other establishments
8151 = Fibre preparing, spinning and winding machine operators
5161 = Astrologers, fortune-tellers and related workers
8112 = Mineral and stone processing plant operators
9112 = Cleaners and helpers in offices, hotels and other establishments
3212 = Medical and pathology Labouratory technicians
4212 = Bookmakers, croupiers and related gaming workers
8212 = Electrical and electronic equipment assemblers
1312 = Aquaculture and fisheries production managers
4312 = Statistical, finance and insurance clerks
8312 = Railway brake, signal and switch operators
3512 = Information and communications technology user support technicians
7512 = Bakers, pastry-cooks and confectionery makers
8122 = Metal finishing, plating and coating machine operators
1222 = Advertising and public relations managers
6222 = Inland and coastal waters fishery workers
3422 = Sports coaches, instructors and officials
7422 = Information and communications technology installers and servicers
2622 = Librarians and related information professionals
2132 = Farming, forestry and fisheries advisers
3132 = Incinerator and water treatment plant operators
9332 = Drivers of animal-drawn vehicles and machinery
7532 = Garment and related pattern-makers and cutters
2632 = Sociologists, anthropologists and related professionals
3252 = Medical records and health information technicians
9703 = Social beneficiary (unemployed, retired, sickness, etc.)
6113 = Gardeners, horticultural and nursery growers
7113 = Stonemasons, stone cutters, splitters and carvers
8113 = Well drillers and borers and related workers
4413 = Coding, proof-reading and related clerks
7413 = Electrical line installers and repairers
3513 = Computer network and systems technicians
7223 = Metal working machine tool setters and operators
3423 = Fitness and recreation instructors and program leaders
7523 = Woodworking-machine tool setters and operators
9623 = Meter readers and vending-machine collectors
7233 = Agricultural and industrial machinery mechanics and repairers
2433 = Technical and medical sales professionals (excluding ICT)
2633 = Philosophers, historians and political scientists
8343 = Crane, hoist and related plant operators
7543 = Product graders and testers (excluding foods and beverages)
2643 = Translators, interpreters and other linguists
3153 = Aircraft pilots and related associate professionals
2263 = Environmental and occupational health and hygiene professionals
8183 = Packing, bottling and labelling machine operators
1114 = Senior officials of special-interest organizations
7114 = Concrete placers, concrete finishers and related workers
8114 = Cement, stone and other mineral products machine operators
3214 = Medical and dental prosthetic technicians
3314 = Statistical, mathematical and related associate professionals
7224 = Metal polishers, wheel grinders and tool sharpeners
1324 = Supply, distribution and related managers
2424 = Training and staff development professionals
3134 = Petroleum and natural gas refining plant operators
3334 = Real estate agents and property managers
2434 = Information and communications technology sales professionals
7544 = Fumigators and other pest and weed controllers
8154 = Bleaching, dyeing and fabric cleaning machine operators
2654 = Film, stage and related directors and producers
9705 = Vague(a good job, a quiet job, a well paid job, an office job)
7315 = Glass makers, cutters, grinders and finishers
3435 = Other artistic and cultural associate professionals
2635 = Social work and counselling professionals
3155 = Air traffic safety electronics technicians
8155 = Fur and leather preparing machine operators
7316 = Sign writers, decorative painters, engravers and etchers
7516 = Tobacco preparers and tobacco products makers
2146 = Mining engineers, metallurgists and related professionals
1346 = Financial and insurance services branch managers
8156 = Shoemaking and related machine operators
2656 = Announcers on radio, television and other media
7317 = Handicraft workers in wood, basketry and related materials
7127 = Air conditioning and refrigeration mechanics
3257 = Environmental and occupational health inspectors and associates
7318 = Handicraft workers in textile, leather and related materials
3119 = Physical and engineering science technicians not elsewhere classified
7119 = Building frame and related trades workers not elsewhere classified
1219 = Business services and administration managers not elsewhere classified
7319 = Handicraft workers not elsewhere classified
4419 = Clerical support workers not elsewhere classified
5419 = Protective services workers not elsewhere classified
2519 = Software and applications developers and analysts not elsewhere classified
2619 = Legal professionals not elsewhere classified
6129 = Animal producers not elsewhere classified
4229 = Client information workers not elsewhere classified
5329 = Personal care workers in health services not elsewhere classified
9329 = Manufacturing labourers not elsewhere classified
2529 = Database and network professionals not elsewhere classified
9629 = Elementary workers not elsewhere classified
3139 = Process control technicians not elsewhere classified
3339 = Business services agents not elsewhere classified
1439 = Services managers not elsewhere classified
2149 = Engineering professionals not elsewhere classified
1349 = Professional services managers not elsewhere classified
7549 = Craft and related workers not elsewhere classified
8159 = Textile, fur and leather products machine operators not elsewhere classified
3259 = Health associate professionals not elsewhere classified
2359 = Teaching professionals not elsewhere classified
3359 = Regulatory government associate professionals not elsewhere classified
2659 = Creative and performing artists not elsewhere classified
5169 = Personal services workers not elsewhere classified
2269 = Health professionals not elsewhere classified
8189 = Stationary plant and machine operators not elsewhere classified

Is your mother working as an employee or is she self-employed?
1 = Employee (working for someone else)
2 = Self-employed (has her own business, is her own boss)
3 = I don’t know.
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

At her job, does your mother have any formal responsibility for supervising the work of other employees?
1 = 1-10 people
2 = More than 10 people
3 = No
4 = I don’t know.
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Is your father working as an employee or is he self-employed?
1 = Employee (working for someone else)
2 = Self-employed (has his own business, is his own boss)
3 = I don’t know.
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

In what country were you and your parents born? You
1 = Germany
2 = Greece
3 = Italy
4 = Bosnia-Herzegovina
5 = Croatia
6 = Macedonia
7 = Montenegro
8 = Serbia
9 = Slovenia
10 = Poland
11 = Russia, Kazakhstan, or another former sovjet republic
12 = Turkey
13 = Other country
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How old were you when you arrived in <country of test>?
1 = age 0 - 1
2 = age 1
3 = age 2
4 = age 3
5 = age 4
6 = age 5
7 = age 6
8 = age 7
9 = age 8
10 = age 9
11 = age 10
12 = age 11
13 = age 12
14 = age 13
15 = age 14
16 = age 15
17 = age 16
18 = age 17
19 = age 18
20 = age 19
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How old were you when you arrived in <country of test>? (Zur Anonymisierung gruppiert (FDZ))
1 = age 0 - 1
2 = age 1
3 = age 2
4 = age 3
5 = age 4
6 = age 5
7 = age 6
8 = age 7
9 = age 8
10 = age 9
11 = age 10
12 = age 11
13 = age 12
14 = age 13
15 = age 14
16 = age 15
17 = age 16
18 = age 17
19 = age 18 - 19
20 = age 19
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Other country: You (autorekodiert (FDZ))
16 = BIN IN NIGERIAN GEBOREN ABER IN IN SPANIEN AUFGEWASCHEN

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

Have you ever repeated a <grade>? At <ISCED 1>
1 = No, never
2 = Yes, once
3 = Yes, twice or more
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

What language do you speak at home most of the time?
1 = German
2 = Greek
3 = Italian
4 = Croatian
5 = Polish
6 = Russian
7 = Serbian
8 = Turkish
9 = Kurdish
10 = Other language
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

You answered that, at home, you most often speek another language than the listed ones. Which language is it? (autorekodiert (FDZ))
51 = Deutsch, Arabisch und Aramaeisch sind relativ ausgeglichen.
95 = mit meine eltern arabisch und mit meine geschister deutsch

Which language do you usually speak with: My mother
1 = Mostly my heritage language
2 = About equally often my heritage language and test language
3 = Mostly test language
4 = Not applicable - e.g. because heritage language and test language are the same
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

How often during <test language lessons>: Students don't listen to what the teacher says.
1 = Every lesson
2 = Most lessons
3 = Some lessons
4 = Never or hardly ever
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Thinking of past two <test language lessons>: The teacher made me feel confident in my ability to do well in the course.
1 = Strongly disagree
2 = Disagree
3 = Agree
4 = Strongly agree
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

How often in <test language lessons>: The teacher adapts the lesson to my class’s needs and knowledge.
1 = Never or almost never
2 = Some lessons
3 = Many lessons
4 = Every lesson or almost every lesson
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

During the last month, how often did you have to read for school: Texts that include diagrams or maps
1 = Many times
2 = Two or three times
3 = Once
4 = Not at all
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

In your <test language lessons>, how often: The teacher encourages students to express their opinion about a text.
1 = Never or hardly ever
2 = In some lessons
3 = In most lessons
4 = In all lessons
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

<this academic year>, how many pages was the longest piece of text you had to read for your <test language lessons>?
1 = One page or less
2 = Between 2 and 10 pages
3 = Between 11 and 50 pages
4 = Between 51 and 100 pages
5 = Between 101 and 500 pages
6 = More than 500 pages
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How often do you read these materials because you want to? Magazines
1 = Never or almost never
2 = A few times a year
3 = About once a month
4 = Several times a month
5 = Several times a week
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Which of the following statements best describes how you read books (on any topic)?
1 = I rarely or never read books.
2 = I read books more often in paper format.
3 = I read books more often on digital devices (e.g. e-reader, tablet, smartphone, computer).
4 = I read books equally often in paper format and on digital devices.
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

About how much time do you usually spend reading for enjoyment?
1 = I do not read for enjoyment
2 = 30 minutes or less a day
3 = More than 30 minutes to less than 60 minutes a day
4 = 1 to 2 hours a day
5 = More than 2 hours a day
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How often involved in: Reading emails
1 = I don't know what it is
2 = Never or almost never
3 = Several times a month
4 = Several times a week
5 = Several times a day
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Usefulness for understanding and memorising text: I concentrate on the parts of the text that are easy to understand.
1 = Not useful at all(1)
2 = (2)
3 = (3)
4 = (4)
5 = (5)
6 = Very useful(6)
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How appropriate in reaction to this email: Answer the email and ask for more information about the smartphone
1 = Not appropriate at all(1)
2 = (2)
3 = (3)
4 = (4)
5 = (5)
6 = Very appropriate(6)
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

Thinking about your school: Trying hard at school will help me get a good job.
1 = Strongly agree
2 = Agree
3 = Disagree
4 = Strongly disagree
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

<ISCED level 1>
0 = Not checked
1 = Checked

Thinking about yourself and how you normally feel: how often do you feel as described below? Happy
1 = Never
2 = Rarely
3 = Sometimes
4 = Always
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

How true for you: My goal is to learn as much as possible.
1 = Not at all true of me
2 = Slightly true of me
3 = Moderately true of me
4 = Very true of me
5 = Extremely true of me
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How easy to perform on your own: Explain how carbon-dioxide emissions affect global climate change
1 = I couldn't do this
2 = I would struggle to do this on my own
3 = I could do this with a bit of effort
4 = I could do this easily
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

How informed are you about the following topics? Climate change and global warming
1 = I have never heard of this
2 = I have heard about this but I would not be able to explain what it is really about
3 = I know something about this and could explain the general issue
4 = I am familiar with this and I would be able to explain this well
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

How well does the following describe you: I try to look at everybody's side of a disagreement before I make a decision.
1 = Very much like me
2 = Mostly like me
3 = Somewhat like me
4 = Not much like me
5 = Not at all like me
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How many languages [...] do you and your parents speak well enough to converse with others? You
1 = One
2 = Two
3 = Three
4 = Four or more
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

How many foreign languages do you learn at your school this school year?
99995 = Valid Skip
99997 = Not Applicable
99998 = Invalid
99999 = No Response

Teachers in your school: They have misconceptions about the history of some cultural groups.
1 = To none or almost none of them
2 = To some of them
3 = To most of them
4 = To all or almost all of them
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Think about your school, how true: Students seem to value competition.
1 = Not at all true
2 = Slightly true
3 = Very true
4 = Extremely true
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Typically required to attend: Number of <class periods> per week in <test language lessons>
995 = Valid Skip
997 = Not Applicable
998 = Invalid
999 = 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
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

During the 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
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

In how many languages do you regularly read?
1 = In one language
2 = In two different languages
3 = In more than two different languages
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Time spent using digital devices during classroom lessons in a typical school week: <Test language lessons>
1 = No time
2 = 1 - 30 minutes a week
3 = 31 - 60 minutes a week
4 = More than 60 minutes a week
5 = I do not study this subject
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Digital device used for learning or teaching during lessons within the last month: <Test language lessons>
1 = Yes, both the teacher and students used it
2 = Yes, but only students used it
3 = Yes, but only the teacher used it
4 = No
5 = I do not study this subject
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Use digital devices outside of school: Playing one-player games.
1 = Never or hardly ever
2 = Once or twice a month
3 = Once or twice a week
4 = Almost every day
5 = Every day
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Which of the following statements best describes how you read the news (e.g. politics, culture, sport, local news)?
1 = I do not follow the news at all.
2 = I only watch or listen to the news (e.g. radio, television, podcasts).
3 = I read the news more often on digital devices (e.g. tablet, smartphone, computer).
4 = I read the news more often on paper (e.g. newspapers, magazines).
5 = I read the news equally often in paper format and on digital devices.
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Did you change schools when you were attending <ISCED 1>?
1 = No, I attended all of ISCED 1 at the same school.
2 = Yes, I changed schools once.
3 = Yes, I changed schools twice or more.
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Did you change schools when you were attending <ISCED 2>?
1 = No, I attended all of ISCED 2 at the same school.
2 = Yes, I changed schools once.
3 = Yes, I changed schools twice or more.
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Find out about future study or types of work: I did an internship.
1 = Yes
2 = No, never
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

In the current school year, how often have you skipped … biology lessons?
1 = Never
2 = Once or twice
3 = Three or four times
4 = Five times and more
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Activities with your child, how often: 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

When child attended the first year of <ISCED 1>, how often: Read books
1 = Never or hardly ever
2 = Once or twice a month
3 = Once or twice a week
4 = Every day or almost every day
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

In what language did most of the activities in the previous question take place?
1 = test language
2 = Another language
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Thinking back to when your child was about 10 years old, how often would he or she read the following? Comic books
1 = Never or hardly ever
2 = Once or twice a month
3 = Once or twice a week
4 = Every day or almost everyday
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

<the last academic year>: 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

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

Importance for choosing a school: 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

How often are you involved in reading activities: Reading emails
1 = I don’t know what it is
2 = Never or almost never
3 = Several times a month
4 = Several times a week
5 = Several times a day
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How interested are you in the following issues? Political or social issues in your country
1 = Not interested at all
2 = Not very interested
3 = Somewhat interested
4 = Very interested
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 .
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Hours per week child attended a <early childhood education and care arrangement> at the 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

In the last twelve months, about how much would you have paid to educational providers for services?
1 = Nichts
2 = 1 € oder mehr, aber weniger als 50 €
3 = 50 € oder mehr, aber weniger als 250 €
4 = 250 € oder mehr, aber weniger als 500 €
5 = 500 € oder mehr, aber weniger als 1 200 €
6 = 1 200 € oder mehr

What is your annual household income?
1 = Weniger als 20 000 €
2 = 20 000 € oder mehr, aber weniger als 30 000 €
3 = 30 000 € oder mehr, aber weniger als 40 000 €
4 = 40 000 € oder mehr,aber weniger als 50 000 €
5 = 50 000 € oder mehr, aber weniger als 60 000 €
6 = 60 000 € oder mehr

Is the mother working as an employee or is she self-employed?
1 = Employee (working for someone else)
2 = Self-employed (has her own business, is her own boss)
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

At her job, does the mother have any formal responsibility for supervising the work of other employees?
1 = 1-10 people
2 = More than 10 people
3 = No
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Is the father working as an employee or is he self-employed?
1 = Employee (working for someone else)
2 = Self-employed (has his own business, is his own boss)
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

In another country, namely: Father (autorekodiert (FDZ))
18 = DER VATER IST DER (STIEFVATER) ZUM LEIBLICHEN BESTEHT GAR KEIN KONTAKT

In another country, namely: Maternal Grandmother (autorekodiert (FDZ))
47 = KOSOVO (LEBT UND ARBEITET SEIT 1993 IN DEUTSCHLAND ALS KRANKENSCHWESTER)
111 = ZUM ZEITPUNKT DER GEBURT DT., JETZT POLEN

In another country, namely: Maternal Grandfather (autorekodiert (FDZ))
36 = IN DEUTSCHSTaeMMIGER GEMEINDE IM SERBISCHEN TEIL JUGOSLAWIEN (BAUAT) GEBOREN
46 = JETZT KROATIEN, WAR FRueHER DEUTSCHSTaeMMIG, WURDE IM KRIEG AUS JUGOSLAWIEN WEGGESCHICKT
52 = KOSOVO (LEBT AUCH UND ARBEITET SEIT 1992 IN DEUTSCHLAND <ANOYNMISIERT PERSONENBESCHREIBUNG>)

In another country, namely: Paternal Grandfather (autorekodiert (FDZ))
21 = DEUTSCHES AUTONOMIE GEB. HALBSTADT, ALTAI
37 = HEUTIGES SERBIEN, DEUTSCHET ST., DA VERTRIEBENER
53 = KoeNIGSBERG, DAMALS DT. REICH HEUTE POLEN
55 = KOSOVO (LEBT UND ARBEITET IM KOSOVO ALS CHEMIKER)

My child’s academic achievement
1 = School
2 = Parents
3 = Both school and parents
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

How much effort did you put into this test?
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

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

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

Unique national study programme code (autorekodiert (FDZ))
1 = Germany: Lower secondary, some with access to upper secondary (special education)
2 = Germany: Lower secondary, some with access to upper secondary; basic general education
3 = Germany: Lower secondary, access to upper secondary; extensive general education
4 = Germany: Lower secondary, access to upper secondary; academic education (exclusively stu
5 = Germany: Upper secondary (exclusively students of the same track [cf. key 4])
6 = Germany: Lower secondary comprehensive, achievement-based access to upper secondary (wit
7 = Germany: Lower secondary comprehensive, no access to upper; basic general education (dif
8 = Germany: Lower secondary comprehensive, access to upper; extensive general education
9 = Germany: Lower secondary comprehensive, access to upper secondary; academic education
10 = Germany: Lower secondary, expectedly no access to upper; basic general education
11 = Germany: Lower secondary, expectedly access to upper; extensive general education
12 = Germany: Lower secondary, no access to upper; basic general education (students of diffe
13 = Germany: Lower secondary, access to upper; extensive general education (students of diff
14 = Germany: Lower secondary with access to upper (Waldorf school)
15 = Germany: Pre-vocational training year upper secondary level
16 = Germany: Vocational school upper secondary level
17 = Germany: Vocational school
18 = Germany: Upper secondary (vocational), qualifying for subject-specific tertiary educatio

Country of Birth National Categories- Self (autorekodiert (FDZ))
1 = Bosnia and Herzegovina
2 = Croatia
3 = Germany
4 = Greece
5 = Italy
6 = Montenegro
7 = Poland
8 = Serbia
9 = Turkey
10 = FYR Macedonia
11 = One of the former USSR republics
12 = Another country (DEU)
13 = Missing

Country of Birth National Categories- Mother (autorekodiert (FDZ))
1 = Bosnia and Herzegovina
2 = Croatia
3 = Germany
4 = Greece
5 = Italy
6 = Montenegro
7 = Poland
8 = Serbia
9 = Slovenia
10 = Turkey
11 = FYR Macedonia
12 = One of the former USSR republics
13 = Another country (DEU)
14 = Missing

Language at home (3-digit code)
327 = Ethnic minority languages (eg: Tay language, Nung language, Hmong language) (VNM)
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)

ISCED level
1 = ISCED level 1
2 = ISCED level 2
3 = ISCED level 3
4 = ISCED level 4
5 = ISCED level 5
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

ISCED designation
1 = A
2 = B
3 = C
4 = M
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

ISCED orientation
1 = General
2 = Pre-Vocational
3 = Vocational
4 = Modular
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Mother’s Education (ISCED)
0 = None
1 = ISCED 1
2 = ISCED 2
3 = ISCED 3B, C
4 = ISCED 3A, ISCED 4
5 = ISCED 5B
6 = ISCED 5A, 6
95 = Valid Skip
97 = Not Applicable
98 = Invalid
99 = No Response

Language spoken with their mother for students who do not speak the test language at home
1 = Mostly their heritage language
2 = About equally often their heritage language and test language
3 = Mostly test language
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Index Immigration status
1 = Native
2 = Second-Generation
3 = First-Generation
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

Duration in early childhood education and care (Zur Anonymisierung gruppiert (FDZ))
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 eight 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

Grade Repetition
0 = Did not repeat a grade
1 = Repeated a grade
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

Learning time (minutes per week) - <Mathematics>
99999995 = Valid Skip
99999997 = Not Applicable
99999998 = Invalid
99999999 = No Response

Number of school changes
0 = no change
1 = one change
2 = two or more changes
5 = Valid Skip
7 = Not Applicable
8 = Invalid
9 = No Response

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

1 = 29APR19:09:28:37
2 = 29APR19:09:28:38
3 = 29APR19:09:28:39