| Merrylands Primary School143205 | Primary | Good | 21.2% | 546 |
| Meadgate Primary School140375 | Primary | Good | 20.9% | 215 |
| Maylandsea Primary School142254 | Primary | Good | 13.9% | 230 |
| Mayflower High School137048 | Secondary | Requires Improvement | 9.7% | 1,620 |
| Matching Green Church of England Voluntary Controlled Primary School115126 | Primary | Good | 13.3% | 90 |
| Market Field School143589 | Not applicable | Good | 42.6% | 502 |
| Mark Hall Academy148423 | Secondary | Requires Improvement | 27.4% | 843 |
| Margaretting Church of England Voluntary Controlled Primary School146242 | Primary | Good | 27.5% | 69 |
| Maple Grove Primary School144349 | Primary | Good | 39.3% | 303 |
| Manuden Primary School114979 | Primary | Good | 1.8% | 109 |
| Manningtree High School137945 | Secondary | Good | 12.4% | 917 |
| Maltese Road Primary School141511 | Primary | Good | 10.0% | 211 |
| Maldon Primary School143122 | Primary | Good | 50.0% | 182 |
| Maldon Court Preparatory School115421 | Not applicable | — | — | 156 |
| Magna Carta Primary Academy142771 | Primary | Good | 8.0% | 201 |
| Lyons Hall School138028 | Primary | Good | 14.2% | 558 |
| Luxborough Court School149212 | Not applicable | — | — | 62 |
| Lubbins Park Primary Academy143123 | Primary | Good | 16.8% | 214 |
| Loyola Preparatory School115393 | Not applicable | — | — | 151 |
| Longwood Primary Academy141379 | Primary | Good | 38.1% | 425 |
| Long Ridings Primary School114902 | Primary | Good | 9.0% | 400 |
| Littlegarth School115413 | Not applicable | — | — | 296 |
| Little Waltham Church of England Voluntary Aided Primary School115175 | Primary | Good | 15.0% | 213 |
| Little Parndon Primary Academy140019 | Primary | Requires Improvement | 36.8% | 361 |
| Little Hallingbury Church of England Voluntary Aided Primary School115182 | Primary | Good | 3.3% | 122 |
| Lincewood Primary Academy150598 | Primary | Good | 13.6% | 412 |
| Limes Farm Junior School114932 | Primary | Good | 44.4% | 153 |
| Limes Farm Infant School and Nursery145991 | Primary | Good | 24.8% | 160 |
| Limebrook Primary School and Nursery150739 | Primary | — | 2.7% | 113 |
| Lift Westerings137405 | Primary | Good | 6.5% | 413 |
| Lift Tendring137188 | Secondary | Good | 29.5% | 1,554 |
| Lift Plumberow137381 | Primary | Good | 6.5% | 627 |
| Lift Pioneer138219 | Not applicable | Outstanding | 37.9% | 189 |
| Lift New Rickstones135651 | Secondary | Good | 28.7% | 1,204 |
| Lift Maltings135653 | Secondary | Requires Improvement | 21.6% | 841 |
| Lift Hockley146181 | Primary | Outstanding | 7.8% | 332 |
| Lift Hamford138072 | Primary | Good | 33.2% | 380 |
| Lift Greensward135652 | Secondary | Good | 11.6% | 1,613 |
| Lift Columbus138122 | Not applicable | Inadequate | 31.7% | 286 |
| Lift Clacton135957 | Secondary | Good | 53.8% | 1,516 |
| Lift Ashingdon137378 | Primary | Good | 9.1% | 209 |
| Lexden Springs School151484 | Not applicable | Inadequate | 56.6% | 298 |
| Lexden Primary School with Unit for Hearing Impaired Pupils114707 | Primary | Good | 27.8% | 230 |
| Leverton Primary School115282 | Primary | Good | 19.4% | 438 |
| Leigh Beck Junior School144350 | Primary | Good | 29.2% | 325 |
| Leigh Beck Infant School and Nursery Academy141326 | Primary | Good | 14.2% | 295 |
| Lee Chapel Primary School137108 | Primary | Outstanding | 14.6% | 1,068 |
| Layer-de-la-Haye Church of England Voluntary Controlled Primary School115080 | Primary | Good | 11.0% | 209 |
| Lawford Mead Primary & Nursery144303 | Primary | Good | 42.3% | 409 |
| Lawford Church of England Voluntary Aided Primary School115297 | Primary | Good | 6.9% | 306 |