ICCS 2016 Restricted Use Data

The ICCS 2016 Restricted Use Data will only be made available upon special request by researchers. It contains all data freely available in the ICCS 2016 Public Use Data, plus the additional variables listed below.

Researchers who want to use the additional data below need to formally apply and provide reasoning why they would need the additional data. They need to agree not to disclose any individuals.

Application procedure

If you are interested in working with the Restricted Use Data, you will need to apply using the IEA Restricted Use Data Application Form. In addition, you need to sign the Restricted Use Agreement. Please download, complete, and sign both the application form and the agreement and send it to data@iea-hamburg.de.

The application will be reviewed by IEA staff, who will decide upon access to the data. Applicants will get feedback within 3-4 weeks. In case access is granted to the applicant, the IEA will provide details on how to access the restricted-use data.

If you are residing in one of the following countries Andorra, Argentina, Austria, Belgium, Bulgaria, Canada (commercial organization), Croatia, Czech Republic, Denmark, Estonia, Faroe Islands, Finland, France, Germany, Greece, Guernsey, Hungary, Iceland, Ireland, Isle of Man, Israel, Italy, Japan, Jersey, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, New Zealand, Norway, Poland, Portugal, Republic of Cyprus, Republic of Korea, Romania, Slovakia, Slovenia, Spain, Sweden, United Kingdom, or Uruguay, please click here to download the Restricted Use Agreement.  

If you are residing in a country not mentioned in the above list, please click here to download the Restricted Use Agreement

Additional variables available in Restricted Use Data

Sampling/Tracking/Identification Variables

Variable name Description
ITMODE_C Administration mode school
ITMODE_T Administration mode teacher
ITDATE Date of testing (month/year)






School Questionnaire

Question Nr. Variable name Description
17 IC3G17 Public or private school
17 (derived) C_PRIVATE Public or private school - derived
18A/B IC3G18A/IC3G18B Total school enrollment
18A/B (derived) C_SCSIZE Total school enrollment - derived
19A/B IC3G19A/IC3G19B Total enrollment <target grade>
19A/B (derived) C_GENROL Total enrollment <target grade> - derived