Schools
C
| Name | Category | Notes |
|---|---|---|
| Caereinion High School | Comprehensive | |
| Caernarvon School | Grammar | |
| Caerphilly Girls' Grammar School | Grammar | |
| Caledonian Road School | Miscellaneous | Perth. |
| Camberwell Grammar School | Grammar | |
| Cambourne Comprehensive School | Comprehensive | |
| Cambridge Boys' Grammar School | Grammar | |
| Cambridge College of Arts and Technology | FE College | |
| Cambusbarron Primary School | Primary | |
| Cambusbarron Public School | Public | Erected in 1875. |
| Campbell College | Public | Belfast. |
| Campbeltown Grammar School | Grammar | |
| Campshill High School | Grammar | Paisley. |
| Canford School | Public | |
| Canon Slade School | Comprehensive | Bolton. |
| Canton High School | Grammar | Cardiff. |
| Cardiff College of Commerce | FE College | |
| Cardiff College of Technology | FE College | |
| Cardiff High School | Grammar | |
| Cardiff Royal Infirmary, School of Radiography | Miscellaneous |