Country ID - Numeric Code
36 = Australia
124 = Canada
152 = Chile
191 = Croatia
203 = Czech Republic
208 = Denmark
276 = Germany
344 = Hong Kong, SAR
376 = Israel
410 = Korea
440 = Lithuania
528 = Netherlands
578 = Norway
616 = Poland
643 = Russian Federation
703 = Slovak Republic
705 = Slovenia
756 = Switzerland
764 = Thailand
792 = Turkey
9132 = Ontario, Canada
9137 = Newfoundland and Labrador, Canada
32001 = Buenos Aires, Argentina

Your Use of ICT/Are you female or male
1 = Female
2 = Male
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your Use of ICT/Use ICT to/Search for information on the Internet or an education system network
1 = Never
2 = Less than once a month
3 = At least once a month but not every week
4 = At least once a week but not every day
5 = Every day
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your School/Total number of boys and girls in the entire school/Girls
9997 = Default missing code
9998 = Not administered/missing by design
9999 = Presented but not answered/invalid

Your School/Lowest (youngest) grade that is taught at your school
0 = ISCED 0
1 = 1st year after start of ISCED 1
2 = 2nd year after start of ISCED 1
3 = 3rd year after start of ISCED 1
4 = 4th year after start of ISCED 1
5 = 5th year after start of ISCED 1
6 = 6th year after start of ISCED 1
7 = 7th year after start of ISCED 1
8 = 8th year after start of ISCED 1
97 = Default missing code
98 = Not administered/missing by design
99 = Presented but not answered/invalid

Your School/Highest (oldest) grade that is taught at your school
8 = 8th year after start of ISCED 1
9 = 9th year after start of ISCED 1
10 = 10th year after start of ISCED 1
11 = 11th year after start of ISCED 1
12 = 12th year after start of ISCED 1
13 = 13th year after start of ISCED 1
14 = 14th year after start of ISCED 1
97 = Default missing code
98 = Not administered/missing by design
99 = Presented but not answered/invalid

Your School/Where is your school located (Variable zur Anonymisierung geleert (FDZ))
1 = In a community with fewer than 3,000 people
2 = In a town with at least 3,000 but less than 15,000 people.
3 = In a town with at least 15,000 but less than 100,000 people
4 = In a city with at least 100,000 but less than 1,000,000 people
5 = In a city with 1,000,000 or more people
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your School/Where is your school located (Variable zur Anonymisierung aggregiert (FDZ))
2 = In a community/town with less than 15,000 people
3 = In a town with at least 15,000 but less than 100,000 people
4 = In a city with at least 100,000 but less than 1,000,000 people
5 = In a city with 1,000,000 or more people
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your School/Public or a private school
1 = A public school
2 = A private school
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

ICT and Teaching/Importance of ICT use/Developing students’ computer skills
1 = Very important
2 = Somewhat important
3 = Not important
6 = Logically not applicable
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

ICT and Teaching/ICT used in any teaching and learning activities in your school
1 = Yes
2 = No
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

ICT and Teaching/Monitor teachers use ICT/Developing students’ computer skills/Reviewing lesson plans
1 = Marked
2 = Not Marked
6 = Logically not applicable
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

ICT and Teaching/Teachers acquire skills/Integrating Web-based learning in their instructional practice
1 = Expected and required
2 = Expected but not required
3 = Not expected
6 = Logically not applicable
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Management of ICT/Professional development/Participating in courses on the use of ICT in teaching
1 = None or almost none
2 = Some
3 = Many
4 = All or almost all
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Management of ICT/Priority to facilitate ICT/Increasing the numbers of computers per student in the school
1 = High priority
2 = Medium priority
3 = Low priority
4 = Not a priority
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your Position/Do you, at your school, hold the position of technology or computer coordinator
1 = Yes, I formally serve as coordinator.
2 = Yes, I informally serve as coordinator.
3 = Not ICT coordinator, but answer as school principals designate.
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your Position/How many years has your school been using computers for teaching and/or learning purposes
1 = Never, we do not use computers
2 = Fewer than 5 years
3 = At least 5 but fewer than 10 years
4 = 10 years or more
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Resources for ICT/Availability of technology resources/Computer-based information resources
1 = Available
2 = Not available
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Resources for ICT/What computer operating system is mainly used at your school?
1 = Windows (PC)
2 = Mac OS
3 = Linux
4 = Other
5 = None
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

ICT Support/Use of ICT hindered/Too few computers connected to the Internet
1 = A lot
2 = To some extent
3 = Very little
4 = Not at all
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

School base weight
999998 = Not applicable
999999 = Not stated

Jackknife zone - school study
98 = Not applicable
99 = Not stated

Jackknife replicate code - school study
8 = Not applicable
9 = Not stated

Final Participation Indicator– School
1 = PARTICIPATED (EITHER Principal OR ICT-Coordinator)
2 = ABSENT (BOTH Principal AND ICT-Coordinator)
3 = Not part of sample
8 = Not applicable
9 = Not stated

Private school indicator
0 = A public school
1 = A private school
8 = Not applicable
9 = Not stated

Sex of principal
0 = Male
1 = Female
8 = Not applicable
9 = Not stated

ICT use for teaching and learning activities
0 = No
1 = Yes
8 = Not applicable
9 = Not stated

Number of teachers
9998 = Not applicable
9999 = Not stated

ICT use expected of teachers - learning
998 = Not applicable
999 = Not stated

ICT experience in years in the school
0 = Never, we do not use computers
1 = Fewer than 5 years
2 = At least 5 but fewer than 10 years
3 = 10 years or more
8 = Not applicable
9 = Not stated

Über Ihre Schule/Selbstständig/Ja
1 = Marked
2 = Not Marked
8 = not presented/missing by design
9 = presented but not answered/invalid

Über Ihre Schule/Selbstständig/seit dem Jahr
9998 = not presented/missing by design
9999 = presented but not answered/invalid

Über Ihre Schule/Unterrichtsräume/Klassenräume
98 = not presented/missing by design
99 = presented but not answered/invalid

Maßnahmen und Prioritäten/letzte drei Jahre/Entlastungsstunden
1 = Yes
2 = No
8 = not presented/missing by design
9 = presented but not answered/invalid

Maßnahmen und Prioritäten/Prioritäten/gemeinsame pädagogische Vision
1 = Hohe Priorität
2 = Mittlere Priorität
3 = Geringe Priorität
4 = Ziehe ich nicht in Betracht
8 = not presented/missing by design
9 = presented but not answered/invalid

Maßnahmen zur Integration/Ermutigung Einsatz digitale Medien/Teambildung von Schülern
1 = Trifft völlig zu
2 = Trifft eher zu
3 = Trifft eher nicht zu
4 = Trifft gar nicht zu
8 = not presented/missing by design
9 = presented but not answered/invalid

Konzeptionelle Einbindung von Digitalen Medien/Schwerpunkte
1 = Nein
2 = Ja, wir sind eine Notebook-Schule
3 = Ja, wir sind eine Medienschule
4 = Ja, wir sind
8 = not presented/missing by design
9 = presented but not answered/invalid

Your School/Lowest (youngest) grade that is taught at your school
1 = [National Adaptation 1]
2 = [National Adaptation 2]
3 = [National Adaptation 3]
4 = [National Adaptation 4]
5 = [National Adaptation 5]
6 = [National Adaptation 6]
7 = [National Adaptation 7]
8 = [National Adaptation 8]
9 = [National Adaptation 9]
98 = not presented/missing by design
99 = presented but not answered/invalid

Your School/Highest (oldest) grade that is taught at your school
1 = [National Adaptation 9]
2 = [National Adaptation 10]
3 = [National Adaptation 11]
4 = [National Adaptation 12]
5 = [National Adaptation 13]
6 = [National Adaptation 14]
8 = not presented/missing by design
9 = presented but not answered/invalid

1 = Förderschule
2 = Nicht-Gymnasium
3 = Gymnasium

Country ID - Alpha Code
ABA = Buenos Aires, Argentina
THA = Thailand
NLD = Netherlands
CHE = Switzerland
CZE = Czech Republic
HKG = Hong Kong, SAR
DNK = Denmark
SVK = Slovak Republic
CHL = Chile
CNL = Newfoundland and Labrador, Canada
POL = Poland
CAN = Canada
SVN = Slovenia
KOR = Korea
NOR = Norway
ISR = Israel
TUR = Turkey
AUS = Australia
RUS = Russian Federation
COT = Ontario, Canada
DEU = Germany
LTU = Lithuania
HRV = Croatia