| St Alban's Catholic High School137849 | Secondary | Good | 20.9% | 996 |
| Sproughton Church of England Primary School142595 | Primary | Good | 11.9% | 101 |
| Sprites Primary Academy141985 | Primary | Good | 29.7% | 403 |
| Springfield Junior School144329 | Primary | Good | 32.7% | 336 |
| Springfield Infant School and Nursery144213 | Primary | Good | 18.8% | 296 |
| Southwold Primary School144826 | Primary | Good | 51.0% | 74 |
| South Lee School124876 | Not applicable | — | — | 189 |
| Somersham Primary School124609 | Primary | Good | 13.6% | 81 |
| Somerleyton Primary School145694 | Primary | Good | 6.6% | 61 |
| Snape Primary School148824 | Primary | Good | 10.5% | 76 |
| Sir Robert Hitcham Church of England Voluntary Aided School124774 | Primary | Good | 15.0% | 170 |
| Sir Peter Hall School149108 | Not applicable | Good | 62.5% | 56 |
| Sir John Leman High School137055 | Secondary | Good | 22.7% | 1,439 |
| Sir Bobby Robson School147849 | Not applicable | Good | 59.1% | 66 |
| Sidegate Primary School140822 | Primary | Good | 16.7% | 652 |
| Shotley Community Primary School146271 | Primary | Good | 25.0% | 96 |
| Sexton's Manor Primary School150689 | Primary | Good | 23.9% | 175 |
| Sebert Wood Community Primary School124682 | Primary | Good | 9.4% | 381 |
| Saxmundham Primary School146494 | Primary | Good | 41.8% | 254 |
| Sandlings Primary School124685 | Primary | Good | 3.7% | 82 |
| Samuel Ward Academy136322 | Secondary | Good | 17.4% | 1,152 |
| Saint Felix School124868 | Not applicable | — | — | 244 |
| Rushmere Hall Primary School148414 | Primary | Good | 14.7% | 535 |
| Royal Hospital School124889 | Not applicable | — | — | 545 |
| Rougham Church of England Primary School145237 | Primary | Good | 12.6% | 191 |
| Rose Hill Primary145540 | Primary | Good | 33.3% | 270 |
| Roman Hill Primary School145559 | Primary | Requires Improvement | 50.4% | 430 |
| Riverwalk School146418 | Not applicable | Good | 39.4% | 218 |
| Risby Church of England Voluntary Controlled Primary School124712 | Primary | Good | 8.9% | 202 |
| Ringshall School147509 | Primary | Good | 17.1% | 117 |
| Ringsfield Church of England Primary School144849 | Primary | Good | 10.2% | 111 |
| Reydon Primary School141702 | Primary | Good | 27.7% | 184 |
| Rendlesham Primary School145795 | Primary | Good | 7.6% | 291 |
| Redstone Hall School152347 | Not applicable | — | — | — |
| Red Oak Primary School140573 | Primary | Good | 43.0% | 437 |
| Ravenswood Community Primary School151105 | Primary | Good | 28.3% | 416 |
| Ravensmere Infant School143491 | Primary | Good | 12.9% | 31 |
| Rattlesden Church of England Primary Academy142554 | Primary | Good | 16.8% | 137 |
| Ranelagh Primary School124645 | Primary | Good | 31.4% | 299 |
| Pushforward Secondary School152344 | Not applicable | — | — | — |
| Pushforward Primary School152350 | Not applicable | — | — | — |
| Priory School137433 | Not applicable | Outstanding | 48.6% | 224 |
| Pot Kiln Primary School124536 | Primary | Good | 30.2% | 265 |
| Poplars Community Primary School145541 | Primary | Requires Improvement | 51.3% | 277 |
| Place Farm Primary Academy138161 | Primary | Good | 31.3% | 403 |
| Piper's Vale Primary - A Paradigm Academy145118 | Primary | Good | 51.0% | 345 |
| Phoenix St Peter Academy141983 | Primary | Good | 50.5% | 107 |
| Parkside Academy142801 | Not applicable | Good | 50.0% | 4 |
| Palgrave Church of England Primary School143071 | Primary | Good | 7.1% | 84 |
| Pakefield Primary School141640 | Primary | Good | 19.4% | 311 |