- Atert-Lycée Redange DEQARINST8647 Redange-sur-Atert (Luxembourg)
- Ateneum-University in Gdansk DEQARINST1857 PL0042 Akademia Ateneum w Gdańsku Gdańsk (Poland)
- Ateliers Saint-Luc (Instituts St-Luc Bruxelles) (Haute Ecole Libre de Bruxelles Ilya Prigogine (H.E.L.B.)) DEQARINST7413 BE0119 Saint-Gilles (Belgium (French Community))
- Atatürk University DEQARINST2431 TR0016 Atatürk Üniversitesi Erzurum (Türkiye)
- Aston University DEQARINST2605 UK0002 Birmingham (United Kingdom (England))
- Astana University DEQARINST3179 «Астана» университеті Kazakhstan
- Astana IT University DEQARINST7095 Astana (Kazakhstan)
- Astana International University DEQARINST7345 Международный университет Астана Nur-Sultan (Kazakhstan)
- AST National Academy of Theatre Arts in Krakow DEQARINST1886 PL0093 Akademia Sztuk Teatralnych im. Stanisława Wyspiańskiego w Krakowie Kraków (Poland)
- Association Sorbonne Université DEQARINST4561 FR0808 Paris (France)
- Assiut University DEQARINST8590 Assiut (Egypt)
- Aspira University of Applied Sciences, Split DEQARINST3950 HR0812 Veleučilište Aspira, Split Split (Croatia)
- Asia Pacific University of Technology and Innovation DEQARINST8888 Kuala Lumpur (Malaysia)
- Aschaffenburg University of Applied Sciences DEQARINST0518 DE0223 Hochschule für angewandte Wissenschaften Aschaffenburg Aschaffenburg (Germany)
- Arts2 DEQARINST0129 BE0089 Arts² Mons (Belgium (French Community))
- Arts University Plymouth DEQARINST2764 UK0184 Plymouth (United Kingdom (England))
- Artois University (Communauté d'universités et établissements Lille Nord de France ) DEQARINST1016 FR0132 Université d'Artois Arras (France)
- ArtEZ institute of the arts DEQARINST1735 NL0022 ArtEZ Hogeschool voor de Kunsten Arnhem (Netherlands)
- Artemis Academie DEQARINST8838 NL0812 Amsterdam (Netherlands)
- Art Academy of Latvia DEQARINST1654 LV0008 Latvijas Makslas akademija Riga (Latvia)