| Forres Primary Academy151161 | Primary | Requires Improvement | 31.6% | 234 |
| Fleetville Junior School138205 | Primary | Good | 5.9% | 353 |
| Fleetville Infant and Nursery School138206 | Primary | Outstanding | 6.7% | 303 |
| Flamstead Village School117100 | Primary | Good | 12.8% | 101 |
| Flamstead End School139545 | Primary | Good | 20.8% | 478 |
| Field Junior School117160 | Primary | Outstanding | 23.2% | 241 |
| Featherstone Wood Primary School131505 | Primary | Good | 32.5% | 204 |
| Fearnhill School117504 | Secondary | Good | 37.3% | 601 |
| Fawbert and Barnard Infants' School117149 | Primary | Outstanding | 8.2% | 212 |
| Falconer School117686 | Not applicable | Good | 72.7% | 66 |
| Fairlands Primary School143785 | Primary | Good | 37.1% | 674 |
| Fairfields Primary School and Nursery117334 | Primary | Good | 11.5% | 466 |
| Fair Field Junior School141898 | Primary | Good | 19.1% | 215 |
| Essendon CofE (vc) Primary School117393 | Primary | Good | 22.8% | 80 |
| Elysium Healthcare Potters Bar Clinic School145962 | Not applicable | — | — | 16 |
| Elstree Screen Arts Academy139416 | Secondary | Outstanding | 21.7% | 498 |
| Egerton-Rothesay School117623 | Not applicable | — | — | 159 |
| Edwinstree Church of England Middle School117554 | Middle deemed secondary | Good | 15.5% | 485 |
| Edge Grove School117601 | Not applicable | — | — | 396 |
| Eastbury Farm Primary School117245 | Primary | Good | 6.5% | 343 |
| East Hall School150044 | Not applicable | — | — | 13 |
| Dundale Primary School and Nursery148710 | Primary | Good | 29.2% | 197 |
| Duncombe School117628 | Not applicable | — | — | 271 |
| Downfield Primary School117255 | Primary | Good | 28.0% | 455 |
| Divine Saviour Roman Catholic Primary School146922 | Primary | Good | 9.4% | 203 |
| Dewhurst St Mary CofE Primary School117415 | Primary | Good | 22.2% | 207 |
| De Havilland Primary School148040 | Primary | Good | 34.8% | 444 |
| Dame Alice Owen's School136554 | Secondary | Outstanding | 3.7% | 1,468 |
| Dacorum Education Support Centre131100 | Not applicable | Outstanding | 50.0% | 6 |
| Cunningham Hill Junior School117250 | Primary | Outstanding | 13.8% | 240 |
| Cunningham Hill Infant School117279 | Primary | Outstanding | 7.8% | 180 |
| Cuffley School117565 | Primary | Good | 5.3% | 438 |
| Croxley Danes School144402 | Secondary | Good | 14.9% | 1,082 |
| Creswick Academy150698 | Primary | Requires Improvement | 26.7% | 374 |
| Cranborne Primary School117369 | Primary | Good | 9.2% | 458 |
| Crabtree Junior School140708 | Primary | Outstanding | 0.4% | 256 |
| Crabtree Infants' School140707 | Primary | Outstanding | 2.2% | 180 |
| Cowley Hill School117099 | Primary | Good | 26.8% | 424 |
| Countess Anne Church of England School140238 | Primary | Outstanding | 15.9% | 208 |
| Commonswood Primary & Nursery School117378 | Primary | Good | 11.3% | 413 |
| Colney Heath Junior Mixed Infant and Nursery School117145 | Primary | Good | 23.6% | 207 |
| Colnbrook School117670 | Not applicable | Outstanding | 25.6% | 129 |
| Codicote Church of England Primary School117392 | Primary | Good | 17.4% | 277 |
| Cockernhoe Endowed CofE Primary School117446 | Primary | Requires Improvement | 16.5% | 79 |
| Coates Way Jmi and Nursery School117340 | Primary | Good | 21.7% | 226 |
| Clore Shalom School131456 | Primary | Good | 2.1% | 187 |
| Churchfield Church of England Academy143856 | Primary | Good | 25.1% | 311 |
| Christ Church CofE (va) Primary School and Nursery117473 | Primary | Good | 17.2% | 323 |
| Christ Church Chorleywood CofE School139507 | Primary | Outstanding | 2.9% | 224 |
| Chorleywood Primary School117093 | Primary | Outstanding | 8.0% | 224 |