| The Bridge School147162 | Not applicable | Good | 43.5% | 216 |
| The Beeches Community Primary School141849 | Primary | Good | 39.7% | 402 |
| The Ashley School137459 | Not applicable | Outstanding | 53.4% | 189 |
| The Albert Pye Community Primary School143492 | Primary | Good | 26.1% | 375 |
| The Albany150266 | Not applicable | Inadequate | 0.0% | 0 |
| Tattingstone Church of England Voluntary Controlled Primary School124744 | Primary | Good | 24.4% | 41 |
| Sybil Andrews Academy140969 | Secondary | Good | 14.4% | 627 |
| Sunrise Academy149151 | Not applicable | Good | 79.5% | 44 |
| Summerhill School124870 | Not applicable | — | — | 53 |
| Suffolk New College130820 | 16 plus | — | — | — |
| Stutton Church of England Primary School145979 | Primary | Good | 21.3% | 75 |
| Stratford St Mary Primary School124675 | Primary | Good | 5.7% | 87 |
| Stradbroke High School137901 | Secondary | Good | 21.2% | 339 |
| Stradbroke Church of England Primary School145697 | Primary | Good | 12.4% | 121 |
| Stowupland High School151384 | Secondary | Requires Improvement | 26.4% | 897 |
| Stowmarket High School145055 | Secondary | Good | 21.5% | 896 |
| Stour Valley Community School136757 | Secondary | Good | 16.9% | 569 |
| Stonham Aspal Church of England Voluntary Aided Primary School124772 | Primary | Good | 8.4% | 166 |
| Stone Lodge Academy141407 | Not applicable | Inadequate | 46.8% | 173 |
| Stoke-by-Nayland Church of England Primary School144553 | Primary | Good | 57.6% | 40 |
| Stoke High School - Ormiston Academy140032 | Secondary | Good | 40.0% | 790 |
| Stoke College124865 | Not applicable | — | — | 104 |
| Stanton Primary School152030 | Primary | Good | — | — |
| St Peter and St Paul Church of England Primary School, Eye145692 | Primary | Good | 22.2% | 190 |
| St Pancras Catholic Primary School146977 | Primary | Good | 24.4% | 172 |
| St Matthew's Church of England Primary School, Ipswich146229 | Primary | Good | 36.1% | 404 |
| St Mary's Roman Catholic Primary School142806 | Primary | Good | 15.4% | 175 |
| St Mary's Church of England Primary School, Woodbridge142598 | Primary | Good | 8.2% | 196 |
| St Mary's Church of England Primary School, Hadleigh142597 | Primary | Good | 23.9% | 142 |
| St Mary's Church of England Academy137419 | Primary | Requires Improvement | 20.0% | 405 |
| St Mary's Catholic Primary School, Ipswich145382 | Primary | Outstanding | 11.8% | 212 |
| St Mark's Catholic Primary School151852 | Primary | Good | — | — |
| St Margaret's Primary Academy141984 | Primary | Good | 49.9% | 389 |
| St Margaret's Church of England Voluntary Aided Primary School, Ipswich124782 | Primary | Good | 23.9% | 414 |
| St Louis Catholic Academy139448 | Primary | Good | 15.4% | 295 |
| St Joseph's Roman Catholic Primary School124763 | Primary | Good | 16.6% | 157 |
| St Joseph's College124883 | Not applicable | — | — | 577 |
| St John's Church of England Voluntary Aided Primary School, Ipswich124781 | Primary | Good | 1.4% | 210 |
| St Helen's Primary School141819 | Primary | Good | 29.1% | 451 |
| St Gregory Church of England Voluntary Controlled Primary School124757 | Primary | Good | 25.2% | 237 |
| St Felix Roman Catholic Primary School, Haverhill143624 | Primary | Good | 11.7% | 217 |
| St Edmundsbury CofE Primary Academy151165 | Primary | Requires Improvement | 27.0% | 174 |
| St Edmund's Primary School143074 | Primary | Good | 25.0% | 72 |
| St Edmund's Catholic Primary School124764 | Primary | Good | 12.9% | 442 |
| St Edmund's Catholic Primary School142770 | Primary | Good | 38.2% | 68 |
| St Christopher's Cevcp School142025 | Primary | Good | 17.6% | 340 |
| St Christopher's Academy143490 | Not applicable | Good | 0.0% | 0 |
| St Botolph's Church of England Voluntary Controlled Primary School124758 | Primary | Good | 14.9% | 181 |
| St Benet's Catholic Primary School142786 | Primary | Good | 32.9% | 73 |
| St Benedict's Catholic School149285 | Secondary | Good | 12.4% | 976 |