The core partners are:
- International Association for the Evaluation of Educational Achievement (IEA) Data Processing and Research Center, Hamburg, Germany
- Leibniz Institute for Science and Mathematics Education, Kiel, Germany
- Luxembourg Center of Educational Testing (LUCET) and the research group Computer-Based Assessment (CBA), University of Luxembourg, Luxembourg
- International Association for Educational Assessment (IAEA)
- Psychometric Society
- Network 1- Educational Measurement and Assessment (NERA)
- OCCAM
- Adjunct Professor Leslie Rutkowski, Indiana University Bloomington, USA
- Adjunct Professor David Rutkowski, Indiana University Bloomington, USA
- Research Director Bryan Maddox, DEFI (Digital Education Futures Initiative Cambridge), United Kingdom
To facilitate cooperation, to strengthen international visibility, and to strengthen joint research profiles, CEMO and the partners have agreed on facilitating and supporting, amongst others, joint activities such as establishing means of regular exchange and communication, mutual research visits and stays of research personnel at the other institution, joint PhD supervision, joint symposia at scientific conferences, jointly applications for funding for international projects, for instance within the Horizon Europe funding scheme. CEMO team members also co-publish scientific articles and books with the partners.