| Monkton Wood Academy150130 | Secondary | Inadequate | 22.5% | 1,266 |
| Minerva Primary School150636 | Primary | Requires Improvement | 56.2% | 147 |
| Minehead Middle School136774 | Middle deemed secondary | Requires Improvement | 27.2% | 566 |
| Minehead First School142800 | Primary | Good | 18.2% | 308 |
| Milverton Community Primary School and Pre-School123703 | Primary | Good | 7.0% | 185 |
| Millfield School123911 | Not applicable | — | — | 1,283 |
| Millfield Preparatory School123921 | Not applicable | — | — | 471 |
| Milford Junior School147420 | Primary | Good | 33.3% | 369 |
| Milford Infants' School123724 | Primary | Good | 20.9% | 235 |
| Milborne Port Primary School151281 | Primary | Good | — | — |
| Middlezoy Primary School141795 | Primary | Good | 0.0% | 8 |
| Merriott Primary School150069 | Primary | Good | 6.6% | 137 |
| Mells Church First School151284 | Primary | Good | 8.5% | 59 |
| Meare Village Primary School123653 | Primary | Good | 22.2% | 99 |
| Martock Church School151761 | Primary | Good | — | — |
| Mark First and Pre-School CE Academy143332 | Primary | Requires Improvement | 9.5% | 158 |
| Marchant Holliday School123920 | Not applicable | — | — | 51 |
| Manor Court Community Primary School139385 | Primary | Good | 32.7% | 454 |
| Maiden Beech Academy137118 | Primary | Good | 20.0% | 85 |
| Lyngford Park Primary School148001 | Primary | Good | 27.4% | 294 |
| Lympsham Church of England Academy143330 | Primary | Good | 5.8% | 135 |
| Lydeard St Lawrence Community Primary School149379 | Primary | Good | 10.8% | 37 |
| Lovington Church of England Primary School151295 | Primary | Inadequate | 20.7% | 29 |
| Long Sutton CofE Primary School123835 | Primary | Good | 5.9% | 102 |
| Leigh on Mendip School146447 | Primary | Good | 6.5% | 107 |
| Langford Budville Church of England Primary School123796 | Primary | Good | 42.9% | 21 |
| Knights Templar Community Church School & Nursery123860 | Primary | Good | 24.2% | 178 |
| Kingston St Mary Church of England Primary School123795 | Primary | Good | 22.6% | 115 |
| Kingsmoor Primary School123738 | Primary | Good | 15.0% | 173 |
| Kingsmead Academy136639 | Secondary | Requires Improvement | 18.7% | 879 |
| Kingsbury Episcopi Primary School123651 | Primary | Good | 16.1% | 124 |
| Kingfisher Primary School142326 | Primary | Outstanding | 11.3% | 265 |
| King's College Taunton123912 | Not applicable | — | — | 394 |
| King's College Prep123934 | Not applicable | — | — | 265 |
| King's Bruton123905 | Not applicable | — | — | 350 |
| King Ina Church of England Academy138541 | Primary | Requires Improvement | 25.3% | 368 |
| King Arthur's School147016 | Secondary | Requires Improvement | 25.9% | 448 |
| Kilmersdon Church School151285 | Primary | Requires Improvement | 20.2% | 119 |
| Keinton Mandeville Primary School123650 | Primary | Good | 8.3% | 156 |
| Isambard Kingdom Brunel Primary School147842 | Primary | Good | 9.6% | 231 |
| Inaura School135735 | Not applicable | — | — | 33 |
| Ilchester Community School151508 | Primary | Good | — | — |
| Huish Primary School140455 | Primary | Outstanding | 17.3% | 421 |
| Huish Episcopi Primary School141790 | Primary | Good | 20.3% | 177 |
| Huish Episcopi Academy150038 | Secondary | Inadequate | 19.0% | 1,250 |
| Hugh Sexey Church of England Middle School143329 | Middle deemed secondary | Good | 14.4% | 620 |
| Horsington Church School140456 | Primary | Good | 5.4% | 93 |
| Horrington Primary School139617 | Primary | Requires Improvement | 15.5% | 103 |
| Horizons Therapeutic Education Trust150859 | Not applicable | — | 0.0% | 9 |
| Holyrood Academy136295 | Secondary | Good | 25.6% | 1,321 |