| 1 | Wilson's School Period 202425 | 8.66 | Grammar · Day · 6th | Wallington, London | Outstanding |
| 2 | Queen Elizabeth's School, Barnet Period 202425 | 8.55 | Grammar · Day · 6th | Barnet, London | Outstanding |
| 3 | Reading School Period 202425 | 8.25 | Grammar · Boarding · 6th | Reading, South East | Outstanding |
| 4 | King Edward VI Grammar School, Chelmsford Period 202425 | 8.24 | Grammar · Day · 6th | Chelmsford, East of England | Outstanding |
| 5 | St Olave's and St Saviour's Grammar School Period 202425 | 8.22 | Grammar · Day · 6th | Orpington, London | — |
| 6 | King Edward VI School Period 202425 | 8.07 | Grammar · Day · 6th | Stratford-upon-Avon, West Midlands | Outstanding |
| 7 | Dartford Grammar School Period 202425 | 7.99 | Grammar · Day · 6th | Dartford, South East | Outstanding |
| 8 | Colchester Royal Grammar School Period 202425 | 7.85 | Grammar · Boarding · 6th | Colchester, East of England | Inadequate |
| 9 | Tiffin School Period 202425 | 7.61 | Grammar · Day · 6th | Kingston upon Thames, London | Good |
| 10 | Westcliff High School for Boys Academy Period 202425 | 7.53 | Grammar · Day · 6th | Westcliff-on-Sea, East of England | Outstanding |
| 11 | Bishop Vesey's Grammar School Period 202425 | 7.51 | Grammar · Day · 6th | Sutton Coldfield, West Midlands | Outstanding |
| 12 | Sutton Grammar School Period 202425 | 7.46 | Grammar · Day · 6th | Sutton, London | Good |
| 13 | The Judd School Period 202425 | 7.37 | Grammar · Day · 6th | Tonbridge, South East | — |
| 14 | Ilford County High School Period 202425 | 7.33 | Grammar · Day · 6th | Ilford, London | Good |
| 15 | Wallington County Grammar School Period 202425 | 7.25 | Grammar · Day · 6th | Wallington, London | — |
| 16 | Queen Mary's Grammar School Period 202425 | 7.23 | Grammar · Day · 6th | Walsall, West Midlands | Outstanding |
| 17 | Altrincham Grammar School for Boys Period 202425 | 7.21 | Grammar · Day · 6th | Altrincham, North West | Outstanding |
| 18 | King Edward VI Camp Hill School for Boys Period 202425 | 7.19 | Grammar · Day · 6th | Birmingham, West Midlands | Outstanding |
| 19 | The Royal Grammar School, High Wycombe Period 202425 | 7.18 | Grammar · Boarding · 6th | High Wycombe, South East | Good |
| 20 | Bournemouth School Period 202425 | 7.17 | Grammar · Day · 6th | Bournemouth, South West | Outstanding |
| 21 | Lawrence Sheriff School Period 202425 | 7.16 | Grammar · Day · 6th | Rugby, West Midlands | Outstanding |
| 22 | Dr Challoner's Grammar School Period 202425 | 7.12 | Grammar · Day · 6th | Amersham, South East | Outstanding |
| 23 | Saint Ambrose College Period 202425 | 7.10 | Grammar · Day · 6th | Altrincham, North West | Good |
| 24 | Aylesbury Grammar School Period 202425 | 6.92 | Grammar · Day · 6th | Aylesbury, South East | Outstanding |
| 25 | Sir Thomas Rich's School Period 202425 | 6.87 | Grammar · Day · 6th | Gloucester, South West | Good |