Schools
C
| Name | Category | Notes |
|---|---|---|
| Coatbridge Technical College | FE college | |
| Codsall High School | Comprehensive | Wolverhampton. |
| Coedylan Comprehensive School | Comprehensive | Pontypridd. |
| Colchat Royal Grammar School | Grammar | |
| Colchester County High School for Girls | Grammar | |
| Coleg Harlech | FE college | North Wales. |
| Coleraine Academical Institute | Other private | |
| Colfe's School | Public | |
| College for Distributive Trades | FE college | London. |
| College for Independent Ministers | FE college | Hertfordshire. |
| Collège Galliard | Overseas | Lausanne, Switzerland. |
| College High School, The | Comprehensive | |
| College of St Ignatius | Other private | |
| College of St Mark and St John | FE college | London. |
| College of the Immaculate Conception | Other private | Summerhill College. Athlone until 1857, relocated to Sligo in 1880. |
| Collegiate School | Other private | Edinburgh. |
| Colman's College | Miscellaneous | Fermoy. |
| Colne Park High School | Comprehensive | Lancashire. |
| Colne Wesleyan School | Elementary | |
| Colonel Frank Seeley School | Comprehensive | Calverton. |