1. Faculty of Education, University of Kragujevac, Jagodina, Serbia
2. Faculty of Philosophy, University of Belgrade, Belgrade, Serbia
3. Faculty of Philosophy, University of Novi Sad, Novi Sad, Serbia
4. Institute for Educational Research, Belgrade, Serbia
5. Faculty of Political Sciences, University of Belgrade, Belgrade, Serbia
6. United Nations Children’s Fund (UNICEF), Belgrade, Serbia
7. National Examinations Centre, Ljubljana, Slovenia
8. Department of Education, University of Cyprus, Nicosia, Cyprus
9. Center of Educational Effectiveness and Evaluation, KU Leuven, Leuven, Belgium