| Merrylands Primary School143205 | Primary | Good | 23.3% | 542 |
| Meadgate Primary School140375 | Primary | Good | 18.6% | 210 |
| Maylandsea Primary School142254 | Primary | Good | 12.0% | 217 |
| Mayflower High School137048 | Secondary | Expected standard | 10.6% | 1,616 |
| Matching Green Church of England Voluntary Controlled Primary School115126 | Primary | Good | 10.9% | 92 |
| Market Field School143589 | Not applicable | Good | 44.5% | 519 |
| Mark Hall Academy148423 | Secondary | Requires Improvement | 27.7% | 867 |
| Margaretting Church of England Voluntary Controlled Primary School146242 | Primary | Good | 24.3% | 70 |
| Maple Grove Primary School144349 | Primary | Expected standard | 41.7% | 295 |
| Manuden Primary School114979 | Primary | Good | 0.9% | 106 |
| Manningtree High School137945 | Secondary | Good | 13.3% | 908 |
| Maltese Road Primary School141511 | Primary | Good | 12.8% | 211 |
| Maldon Primary School143122 | Primary | Good | 50.3% | 171 |
| Maldon Court Preparatory School115421 | Not applicable | — | — | 142 |
| Magna Carta Primary Academy142771 | Primary | Good | 5.2% | 194 |
| Lyons Hall School138028 | Primary | Good | 12.7% | 558 |
| Luxborough Court School149212 | Not applicable | — | — | 80 |
| Lubbins Park Primary Academy143123 | Primary | Good | 22.3% | 211 |
| Loyola Preparatory School115393 | Not applicable | — | — | 138 |
| Longwood Primary Academy141379 | Primary | Good | 40.7% | 423 |
| Long Ridings Primary School114902 | Primary | Good | 9.9% | 392 |
| Littlegarth School115413 | Not applicable | — | — | 304 |
| Little Waltham Church of England Voluntary Aided Primary School115175 | Primary | Good | 14.1% | 206 |
| Little Parndon Primary Academy140019 | Primary | Requires Improvement | 37.5% | 352 |
| Little Hallingbury Church of England Voluntary Aided Primary School115182 | Primary | Good | 2.5% | 119 |
| Lincewood Primary Academy150598 | Primary | Good | 16.7% | 390 |
| Limes Farm Junior School114932 | Primary | Good | 42.2% | 154 |
| Limes Farm Infant School and Nursery145991 | Primary | Good | 23.3% | 182 |
| Limebrook Primary School and Nursery150739 | Primary | — | 11.8% | 137 |
| Lift Westerings137405 | Primary | Good | 6.0% | 417 |
| Lift Tendring137188 | Secondary | Good | 31.1% | 1,464 |
| Lift Plumberow137381 | Primary | Good | 6.8% | 633 |
| Lift Pioneer138219 | Not applicable | Outstanding | 40.4% | 201 |
| Lift New Rickstones135651 | Secondary | Good | 28.4% | 1,221 |
| Lift Maltings135653 | Secondary | Needs attention | 22.6% | 787 |
| Lift Hockley146181 | Primary | Expected standard | 6.6% | 331 |
| Lift Hamford138072 | Primary | Good | 31.6% | 393 |
| Lift Greensward135652 | Secondary | Good | 12.9% | 1,605 |
| Lift Columbus138122 | Not applicable | Inadequate | 32.4% | 285 |
| Lift Clacton135957 | Secondary | Good | 57.3% | 1,466 |
| Lift Ashingdon137378 | Primary | Good | 8.3% | 206 |
| Lexden Springs School151484 | Not applicable | Inadequate | 63.0% | 301 |
| Lexden Primary School with Unit for Hearing Impaired Pupils114707 | Primary | Good | 26.3% | 236 |
| Leverton Primary School115282 | Primary | Good | 19.8% | 436 |
| Leigh Beck Junior School144350 | Primary | Expected standard | 27.6% | 319 |
| Leigh Beck Infant School and Nursery Academy141326 | Primary | Good | 14.7% | 342 |
| Lee Chapel Primary School137108 | Primary | Outstanding | 14.0% | 1,062 |
| Learn and Prosper School152373 | Not applicable | — | — | — |
| Layer-de-la-Haye Church of England Voluntary Controlled Primary School115080 | Primary | Good | 10.8% | 203 |
| Lawford Mead Primary & Nursery144303 | Primary | Good | 37.5% | 413 |