| 1 | Trinity School Period 202425 | 57.6% | Free School · Day · 6th | Sevenoaks, South East | — |
| 2 | Langley Grammar School Period 202425 | 54.1% | Grammar · Day · 6th | Langley, South East | Outstanding |
| 3 | Royal Latin School Period 202425 | 52.1% | Grammar · Day · 6th | Buckingham, South East | Good |
| 4 | Sir William Borlase's Grammar School Period 202425 | 44.4% | Grammar · Day · 6th | Marlow, South East | Outstanding |
| 5 | Chesham Grammar School Period 202425 | 43.3% | Grammar · Day · 6th | Chesham, South East | — |
| 6 | Upton Court Grammar School Period 202425 | 40.8% | Grammar · Day · 6th | Slough, South East | Outstanding |
| 7 | The Regis School Period 202425 | 40.7% | Academy · Day · 6th | West Sussex, South East | — |
| 8 | Herschel Grammar School Period 202425 | 39.9% | Grammar · Day · 6th | Slough, South East | Outstanding |
| 9 | Altwood Church of England School Period 202425 | 38.5% | Academy · Day · 6th | Maidenhead, South East | — |
| 10 | Guildford County School Period 202425 | 37.4% | Academy · Day · 6th | Guildford, South East | — |
| 11 | St Andrew's Catholic School Period 202425 | 35.2% | Academy · Day · 6th | Leatherhead, South East | Outstanding |
| 12 | The Cherwell School Period 202425 | 34.3% | Academy · Day · 6th | Oxford, South East | Outstanding |
| 13 | Futures Institute Banbury Period 202425 | 33.3% | Free School · Day · 6th | Banbury, South East | — |
| 14 | St Bernard's Catholic Grammar School Period 202425 | 32.3% | Grammar · Day · 6th | Slough, South East | Outstanding |
| 15 | Sir Henry Floyd Grammar School Period 202425 | 30.0% | Grammar · Day · 6th | Aylesbury, South East | Outstanding |
| 16 | Burnham Grammar School Period 202425 | 27.8% | Grammar · Day · 6th | Slough, South East | — |
| 17 | Howard of Effingham School Period 202425 | 27.3% | Academy · Day · 6th | Leatherhead, South East | Good |
| 18 | Seaford Head School Period 202425 | 27.3% | Academy · Day · 6th | Seaford, South East | — |
| 19 | Wallingford School Period 202425 | 27.2% | Academy · Day · 6th | Wallingford, South East | — |
| 20 | Cardinal Newman Catholic School Period 202425 | 27.1% | State · Day · 6th | Hove, South East | — |
| 21 | Cheney School Period 202425 | 26.6% | Academy · Day · 6th | Oxford, South East | — |
| 22 | Bohunt School Period 202425 | 26.5% | Academy · Day · 6th | Liphook, South East | Good |
| 23 | Hinchley Wood School Period 202425 | 26.5% | Academy · Day · 6th | Esher, South East | Outstanding |
| 24 | The Downs School Period 202425 | 26.3% | Academy · Day · 6th | Newbury, South East | — |
| 25 | The Bulmershe School Period 202425 | 26.2% | Academy · Day · 6th | Reading, South East | — |