| Chancellor Park Primary School, Chelmsford133661 | Primary | Outstanding | 9.0% | 210 |
| Cedar Hall School115457 | Not applicable | Requires Improvement | 31.7% | 186 |
| Castledon School141765 | Not applicable | Outstanding | 36.2% | 238 |
| Castle View School147031 | Secondary | Requires Improvement | 27.4% | 1,054 |
| Canvey Junior School114822 | Primary | Good | 20.7% | 241 |
| Canvey Island Infant School and Nursery114980 | Primary | Good | 17.3% | 203 |
| Cann Hall Primary School138911 | Primary | Good | 21.9% | 416 |
| Canewdon Church of England Primary School149618 | Primary | Requires Improvement | 19.8% | 101 |
| Camulos Academy141950 | Primary | Good | 17.2% | 413 |
| Cambian Great Dunmow School149357 | Not applicable | — | — | 10 |
| Buttsbury Primary School136734 | Primary | Outstanding | 4.6% | 856 |
| Burrsville Infant Academy139808 | Primary | Good | 24.4% | 176 |
| Burnt Mill Academy137694 | Secondary | Good | 28.5% | 951 |
| Burnham-on-Crouch Primary School114821 | Primary | Outstanding | 26.7% | 420 |
| Buckhurst Hill Community Primary School147561 | Primary | Good | 18.9% | 376 |
| Broomgrove Junior School114759 | Primary | Good | 22.2% | 230 |
| Broomgrove Infant School114756 | Primary | Good | 17.0% | 165 |
| Broomfield Primary School115292 | Primary | Good | 17.2% | 419 |
| Briscoe Primary School & Nursery138404 | Primary | Good | 45.9% | 318 |
| Brinkley Grove Primary School131219 | Primary | Good | 25.1% | 426 |
| Brightside Primary School132164 | Primary | Good | 11.3% | 592 |
| Brightlingsea Primary School and Nursery114755 | Primary | Good | 21.2% | 642 |
| Brentwood Ursuline Convent High School138834 | Secondary | Good | 10.3% | 1,013 |
| Brentwood School115429 | Not applicable | — | — | 1,878 |
| Brentwood County High School145474 | Secondary | Good | 17.8% | 1,103 |
| Braiswick Primary School140396 | Primary | Good | 13.2% | 409 |
| Bradfield Primary School114735 | Primary | Good | 18.3% | 115 |
| Boxted St Peter's Church of England School115072 | Primary | Good | 8.3% | 206 |
| Boreham Primary School114937 | Primary | Good | 18.8% | 213 |
| Bocking Primary School148305 | Primary | Good | 18.4% | 196 |
| Bmat Stem Academy145931 | Secondary | Good | 37.0% | 266 |
| Blackmore Primary School114929 | Primary | Good | 13.3% | 166 |
| Birchanger Church of England Voluntary Controlled Primary School115127 | Primary | Good | 9.3% | 97 |
| Birch Church of England Voluntary Aided Primary School115138 | Primary | Good | 9.2% | 131 |
| Bentley St Paul's Church of England Primary School149971 | Primary | Good | 5.9% | 203 |
| Bentfield Primary School and Nursery114978 | Primary | Good | 8.2% | 200 |
| Belchamp St Paul Church of England Primary School144866 | Primary | Good | 6.1% | 33 |
| Beehive Lane Community Primary School114996 | Primary | Outstanding | 12.8% | 211 |
| Beckmead Moundwood Academy148008 | Not applicable | Good | 60.9% | 64 |
| Becket Keys Church of England Free School138239 | Secondary | Outstanding | 9.6% | 1,140 |
| Beckers Green Primary School147816 | Primary | Good | 33.4% | 317 |
| Beauchamps High School115322 | Secondary | Good | 11.8% | 1,469 |
| Baynards Primary School114767 | Primary | Good | 41.8% | 98 |
| Barnes Farm Primary School146000 | Primary | Good | 15.1% | 551 |
| Barling Magna Primary Academy143948 | Primary | Good | 17.5% | 171 |
| Bardfield Academy143203 | Primary | Requires Improvement | 50.6% | 455 |
| Baddow Hall Junior School114913 | Primary | Good | 18.6% | 236 |
| Baddow Hall Infant School114898 | Primary | Good | 11.6% | 164 |
| Athena School150238 | Not applicable | — | — | 1 |
| Ashdon Primary School114964 | Primary | Good | 3.7% | 54 |