| The Bridge School147162 | Not applicable | Good | 44.7% | 257 |
| The Beeches Community Primary School141849 | Primary | Good | 43.6% | 393 |
| The Ashley School137459 | Not applicable | Outstanding | 56.7% | 203 |
| The Albert Pye Community Primary School143492 | Primary | Good | 25.6% | 350 |
| The Albany150266 | Not applicable | Inadequate | 0.0% | 0 |
| Tattingstone Church of England Voluntary Controlled Primary School124744 | Primary | Good | 23.3% | 30 |
| Sybil Andrews Academy140969 | Secondary | Good | 14.8% | 657 |
| Sunrise Academy149151 | Not applicable | Good | 68.6% | 51 |
| Summerhill School124870 | Not applicable | — | — | 51 |
| Suffolk New College130820 | 16 plus | — | — | — |
| Stutton Church of England Primary School145979 | Primary | Good | 19.7% | 76 |
| Stratford St Mary Primary School124675 | Primary | Good | 6.8% | 88 |
| Stradbroke High School137901 | Secondary | Good | 21.6% | 353 |
| Stradbroke Church of England Primary School145697 | Primary | Good | 13.4% | 112 |
| Stowupland High School151384 | Secondary | Requires Improvement | 28.7% | 846 |
| Stowmarket High School145055 | Secondary | Good | 20.5% | 901 |
| Stour Valley Community School136757 | Secondary | Good | 18.8% | 569 |
| Stonham Aspal Church of England Voluntary Aided Primary School124772 | Primary | Good | 10.5% | 162 |
| Stone Lodge Academy141407 | Not applicable | Inadequate | 45.1% | 175 |
| Stoke-by-Nayland Church of England Primary School144553 | Primary | Good | 60.4% | 48 |
| Stoke High School - Ormiston Academy140032 | Secondary | Good | 41.8% | 811 |
| Stoke College124865 | Not applicable | — | — | 119 |
| Stanton Primary School152030 | Primary | Good | 18.3% | 218 |
| St Peter and St Paul Church of England Primary School, Eye145692 | Primary | Good | 22.4% | 200 |
| St Pancras Catholic Primary School146977 | Primary | Good | 19.6% | 153 |
| St Matthew's Church of England Primary School, Ipswich146229 | Primary | Good | 33.4% | 407 |
| St Mary's Roman Catholic Primary School142806 | Primary | Good | 15.5% | 155 |
| St Mary's Church of England Primary School, Woodbridge142598 | Primary | Good | 7.1% | 198 |
| St Mary's Church of England Primary School, Hadleigh142597 | Primary | Good | 23.8% | 122 |
| St Mary's Church of England Academy137419 | Primary | Requires Improvement | 19.6% | 414 |
| St Mary's Catholic Primary School, Ipswich145382 | Primary | Outstanding | 10.0% | 210 |
| St Mark's Catholic Primary School151852 | Primary | Good | 17.3% | 202 |
| St Margaret's Primary Academy141984 | Primary | Good | 47.8% | 364 |
| St Margaret's Church of England Voluntary Aided Primary School, Ipswich124782 | Primary | Good | 21.1% | 413 |
| St Louis Catholic Academy139448 | Primary | Good | 14.0% | 300 |
| St Joseph's Roman Catholic Primary School124763 | Primary | Good | 13.1% | 137 |
| St Joseph's College124883 | Not applicable | — | — | 564 |
| St John's Church of England Voluntary Aided Primary School, Ipswich124781 | Primary | Good | 1.4% | 212 |
| St Helen's Primary School141819 | Primary | Good | 30.3% | 439 |
| St Gregory Church of England Voluntary Controlled Primary School124757 | Primary | Good | 25.3% | 227 |
| St Felix Roman Catholic Primary School, Haverhill143624 | Primary | Good | 11.5% | 217 |
| St Edmundsbury CofE Primary Academy151165 | Primary | Requires Improvement | 26.8% | 168 |
| St Edmund's Primary School143074 | Primary | Good | 26.3% | 57 |
| St Edmund's Catholic Primary School124764 | Primary | Good | 11.3% | 443 |
| St Edmund's Catholic Primary School142770 | Primary | Good | 35.0% | 60 |
| St Christopher's Cevcp School142025 | Primary | Good | 21.6% | 389 |
| St Christopher's Academy143490 | Not applicable | Good | 0.0% | 0 |
| St Botolph's Church of England Voluntary Controlled Primary School124758 | Primary | Good | 16.1% | 180 |
| St Benet's Catholic Primary School142786 | Primary | Good | 34.8% | 69 |
| St Benedict's Catholic School149285 | Secondary | Good | 11.6% | 968 |