C
- Cadaujac
- Caen
- Callac
- Cannes La Bocca
- Carcassonne
- Carmaux
- Carnoles
- Castres
- Cenon
- Cerbère
- Challans
- Chasse-sur-Rhône
- Château-du-Loir
- Châteaudun
- Chauffailles
- Chinon
- Cinq-mars-la-pile
- Clamecy
- Clermont-Ferrand
- Coarraze - Nay
- Collioure
- Colomiers
- Colomiers Lycée International
- Compiègne
- Courville-sur-Eure
- Coutances
- Coutras