c
- Calthorpe Park School (CU-0002886)
- Cambridge Academy For Science And Technology (CU-0191332)
- Cambridge Meridian Academies The Ferrers School (CU-0003359)
- Campion School (CU-0002863)
- Campsmount Academy (CU-0002868)
- Chase High School (CU-0003118)
- Cheam High School (CU-0002907)
- Chiswick School (CU-0003010)
- Cogenhoe Primary School (CU-0196325)
- Coleridge Community College (CU-0191330)
- Consett Academy (CU-0005913)
- Cottenham Village College (CU-0005824)
- Court Moor School (CU-0000335)
- Cranborne Middle School (CU-0002969)
- Crewe Engineering & Design UTC (CU-0177097)
- Culcheth High School (CU-0002837)
- The Cherwell School (CU-0003048)
- The Cooper School (CU-0005443)
- The County High School, Leftwich (CU-0002830)