United Kingdom schools in County Durham district:
- Cestria Primary School DH3 3PZ
- Chester-le-Street CofE (Controlled) Junior School DH2 2JT
- Chilton Primary School DL17 0PT
- Cleves Cross Primary School DL17 8QY
- Cockfield Primary School DL13 5EN
- Cockton Hill Infant School DL14 6HW
- Cockton Hill Junior School DL14 6HW
- Collierley Primary School DH9 9DJ
- Consett Academy DH8 6LZ
- Consett Infant School and Nursery Unit DH8 6AF
- Consett Junior School DH8 6AY
- Copeland Road Primary School DL14 9JJ
- Cotherstone Primary School DL12 9QB
- Cotsford Infant School SR8 4TB
- Cotsford Junior School SR8 4EH
- Coxhoe Primary School DH6 4EJ
- Crook Nursery School DL15 8QG
- Crook Primary School DL15 8QG
- Deaf Hill Primary School TS29 6BP
- Dean Bank Primary and Nursery School DL17 8PP