- Cours pour éducateurs en fonction DEQARINST7458 BE0164 Liège (Belgium (French Community))
- Cours industriels DEQARINST7399 BE0105 Brussels (Belgium (French Community))
- Cours de promotion sociale Saint-Luc DEQARINST7451 BE0157 Liège (Belgium (French Community))
- Corvinus University of Budapest DEQARINST1301 HU0001 Budapesti Corvinus Egyetem (CORVINUS) Budapest (Hungary)
- Cornerstone Centre for Intercultural Studies DEQARINST8614 Beugen (Netherlands)
- Copenhagen School of Marine Engineering and Technology Management DEQARINST5832 DK0812 Maskinmesterskolen København Lyngby (Denmark)
- Copenhagen Business School DEQARINST0719 DK0007 Handelshøjskolen i Kobenhavn Frederiksberg (Denmark)
- Copenhagen Business Academy DEQARINST0736 DK0028 Erhvervsakademiet Copenhagen Business Copenhagen (Denmark)
- Cooperative-Commercial University of Moldova DEQARINST3233 MD0016 Universitatea Cooperatist-Comercială din Moldova Chişinău (Moldova)
- Continental Theological Seminary DEQARINST5772 BE0824 Sint-Pieters-Leeuw (Belgium (Flemish Community))
- Constantine the Philosopher Univeristy in Nitra DEQARINST2394 SK0013 Univerzita Konštantína Filozofa v Nitre Nitra (Slovakia)
- Constanta Maritime University DEQARINST2205 RO0015 Universitatea Maritimă din Constanța Constanța (Romania)
- Conservatorium Maastricht (Zuyd University of Applied Sciences) DEQARINST5812 NL0806 Maastricht (Netherlands)
- Conservatorio della Svizzera italiana (University of Applied Sciences and Arts of Southern Switzerland) DEQARINST5804 CH0043 Lugano (Switzerland)
- Conservatoire royal de Liège DEQARINST0099 BE0036 Conservatoire royal de musique de Liège Liège (Belgium (French Community))
- Conservatoire royal de Bruxelles DEQARINST2779 BE0035 Conservatoire royal de musique de Bruxelles Brussels (Belgium (French Community))
- Conservatoire national supérieur musique et danse de Lyon DEQARINST1048 FR0164 Lyon (France)
- Conservatoire national supérieur de musique et de danse de Paris (Université de recherche Paris sciences et lettres) DEQARINST1085 FR0201 Paris (France)
- Ecole supérieure des géomètres et topographes (Conservatoire national des arts et métiers) DEQARINST7017 FR0898 Le Mans (France)
- Conservatoire national des arts et métiers (Hésam Université ) (Ecole supérieure des géomètres et topographes) DEQARINST1077 FR0193 Paris (France)