| Cayman International School |
Cayman Islands |
Americas |
| Chadwick International, Korea |
South Korea |
Australasia and East Asia |
| Chadwick School |
United States |
Americas |
| CheongShim International Academy |
Korea, Republic of |
Australasia and East Asia |
| Chittagong Grammar School |
Bangladesh |
South Asia and the Gulf |
| Chittagong Grammar School Dhaka |
Bangladesh |
South Asia and the Gulf |
| Chittagong Grammar School National Curriculum |
Bangladesh |
South Asia and the Gulf |
| Christ’s College |
New Zealand |
Australasia and East Asia |
| Cobham Hall |
United Kingdom |
Europe and the Mediterranean |
| Colegio Anglo Colombiano |
Colombia |
Americas |
