| Latton Green Primary Academy141381 | Primary | Good | 16.4% | 201 |
| Larkrise Primary School143124 | Primary | Good | 42.8% | 180 |
| Larchwood Primary School140828 | Primary | Good | 19.8% | 419 |
| Langham Primary Academy151529 | Primary | Good | — | — |
| Langham Oaks141512 | Not applicable | Good | 64.0% | 75 |
| Langenhoe Community Primary School151064 | Primary | Good | 16.8% | 113 |
| Lambourne Primary School145604 | Primary | Good | 20.6% | 214 |
| Lakelands Primary School147844 | Primary | Outstanding | 15.6% | 269 |
| Laindon Park Primary School & Nursery145812 | Primary | Good | 36.6% | 225 |
| Kirby Primary Academy139806 | Primary | Good | 24.9% | 209 |
| Kingswood Primary School and Nursery115268 | Primary | Good | 15.5% | 446 |
| Kingswode Hoe School144897 | Not applicable | Good | 54.5% | 154 |
| Kingston Primary School137220 | Primary | Outstanding | 8.5% | 211 |
| Kingsmoor Academy138996 | Primary | Good | 29.8% | 302 |
| Kings Road Primary School144304 | Primary | Good | 40.2% | 391 |
| Kings Ford Academy142001 | Primary | Requires Improvement | 28.4% | 169 |
| King's Ford Infant School and Nursery114717 | Primary | Good | 29.6% | 161 |
| King Harold Business & Enterprise Academy136342 | Secondary | Good | 31.9% | 797 |
| King Edward Vi Grammar School, Chelmsford136642 | Secondary | Outstanding | 2.0% | 1,138 |
| Kents Hill Junior School137631 | Primary | Good | 10.3% | 348 |
| Kents Hill Infant Academy137395 | Primary | Good | 9.9% | 243 |
| Kendall Church of England Primary School115064 | Primary | Outstanding | 19.2% | 214 |
| Kelvedon St Mary's Church of England Primary Academy139360 | Primary | Good | 11.8% | 463 |
| Kelvedon Hatch Community Primary School149969 | Primary | Good | 21.0% | 162 |
| Katherines Primary Academy and Nursery144823 | Primary | Good | 29.2% | 251 |
| Katherine Semar Junior School141572 | Primary | Outstanding | 12.4% | 249 |
| Katherine Semar Infant School141574 | Primary | Outstanding | 10.6% | 180 |
| Joyce Frankland Academy, Newport138734 | Secondary | Good | 11.7% | 968 |
| Jotmans Hall Primary School137247 | Primary | Requires Improvement | 17.1% | 315 |
| John Ray Junior School143538 | Primary | Good | 27.3% | 436 |
| John Ray Infant School150501 | Primary | Good | 23.0% | 335 |
| John Bunyan Primary School and Nursery114818 | Primary | Good | 41.0% | 545 |
| Jerounds Primary Academy145557 | Primary | Good | 28.5% | 396 |
| Janet Duke Primary School144351 | Primary | Good | 54.2% | 629 |
| Ivy Chimneys Primary School145605 | Primary | Good | 14.8% | 331 |
| Ingrave Johnstone Church of England Voluntary Aided Primary School115154 | Primary | Good | 10.2% | 216 |
| Ingatestone Infant School150748 | Primary | Good | 4.3% | 138 |
| Ingatestone and Fryerning Church of England Junior School150749 | Primary | Good | 8.3% | 192 |
| Hylands School137072 | Secondary | Requires Improvement | 43.9% | 640 |
| Hutton All Saints' Church of England Primary School137698 | Primary | Good | 13.0% | 208 |
| Howe Green House School115433 | Not applicable | — | — | 142 |
| Howbridge Infant School114951 | Primary | Good | 25.8% | 267 |
| Howbridge Church of England Junior School140666 | Primary | Good | 23.2% | 357 |
| Honywood School136729 | Secondary | Good | 18.0% | 821 |
| Home Farm Primary School147713 | Primary | Outstanding | 6.4% | 424 |
| Holy Trinity CofE Primary School, Eight Ash Green and Aldham150062 | Primary | Good | 22.9% | 105 |
| Holy Trinity Church of England Voluntary Controlled Primary School, Halstead115066 | Primary | Good | 21.7% | 209 |
| Holy Family Catholic Primary School145995 | Primary | Good | 14.9% | 228 |
| Holy Family Catholic Primary School148111 | Primary | Good | 21.7% | 198 |
| Holy Cross Catholic Primary School, Harlow136967 | Primary | Good | 18.8% | 421 |