The Questionnaires of the survey can be downloaded here. They are English translations of the country-specific versions. Differences in any instrument between countries are marked with country-specific tags.

Wave 1

• Youth Main Questionnaire
  
• Youth Friends Questionnaire
  
• Youth Achievement Questionnaire
  
• Youth Classmates Questionnaire
  
• Parents Questionnaire
  
• Teachers Questionnaire
  

Wave 2

• Youth Main Questionnaire
  
• Youth Classmates Questionnaire

For more detailed information about the development of the instruments see section documentation.