| 1 | Reading School | 97.4 compositeOfsted33.3 Att830.7 EM5+33.3 | Grammar · Boarding · 6th | Reading, South East | Outstanding 2023-11-21 |
| 2 | Westcliff High School for Boys Academy | 94.6 compositeOfsted33.3 Att828.7 EM5+32.6 | Grammar · Day · 6th | Westcliff-on-Sea, East of England | Outstanding 2023-11-21 |
| 3 | Bishop Vesey's Grammar School | 94.4 compositeOfsted33.3 Att828.6 EM5+32.5 | Grammar · Day · 6th | Sutton Coldfield, West Midlands | Outstanding 2024-04-30 |
| 4 | Wilson's School | 93.8 compositeOfsted28.3 Att832.2 EM5+33.3 | Grammar · Day · 6th | Wallington, London | Outstanding 2022-09-28×0.85 |
| 5 | King Edward VI Camp Hill School for Boys | 93.6 compositeOfsted33.3 Att828.0 EM5+32.2 | Grammar · Day · 6th | Birmingham, West Midlands | Outstanding 2023-11-22 |
| 6 | Southend High School for Boys | 93.1 compositeOfsted33.3 Att827.3 EM5+32.4 | Grammar · Day · 6th | Southend-on-Sea, East of England | Outstanding 2024-06-12 |
| 7 | Queen Elizabeth's School, Barnet | 93.0 compositeOfsted28.3 Att831.7 EM5+33.0 | Grammar · Day · 6th | Barnet, London | Outstanding 2022-05-17×0.85 |
| 8 | Bournemouth School | 92.8 compositeOfsted33.3 Att827.5 EM5+32.0 | Grammar · Day · 6th | Bournemouth, South West | Outstanding 2024-02-27 |
| 9 | King Edward VI Grammar School, Chelmsford | 92.5 compositeOfsted28.3 Att830.9 EM5+33.3 | Grammar · Day · 6th | Chelmsford, East of England | Outstanding 2021-12-08×0.85 |
| 10 | King Edward VI School | 92.5 compositeOfsted28.3 Att830.9 EM5+33.3 | Grammar · Day · 6th | Stratford-upon-Avon, West Midlands | Outstanding 2021-11-30×0.85 |
| 11 | Dartford Grammar School | 90.9 compositeOfsted28.3 Att829.6 EM5+33.0 | Grammar · Day · 6th | Dartford, South East | Outstanding 2022-12-06×0.85 |
| 12 | Altrincham Grammar School for Boys | 90.2 compositeOfsted28.3 Att829.1 EM5+32.8 | Grammar · Day · 6th | Altrincham, North West | Outstanding 2022-09-27×0.85 |
| 13 | Queen Mary's Grammar School | 88.2 compositeOfsted28.3 Att827.5 EM5+32.4 | Grammar · Day · 6th | Walsall, West Midlands | Outstanding 2023-03-28×0.85 |
| 14 | Lawrence Sheriff School | 88.2 compositeOfsted28.3 Att827.8 EM5+32.0 | Grammar · Day · 6th | Rugby, West Midlands | Outstanding 2022-03-29×0.85 |
| 15 | John Hampden Grammar School | 87.7 compositeOfsted28.3 Att826.8 EM5+32.6 | Grammar · Day · 6th | High Wycombe, South East | Outstanding 2022-09-14×0.85 |
| 16 | Bishop Wordsworth's Church of England Grammar School | 87.7 compositeOfsted28.3 Att827.1 EM5+32.3 | Grammar · Day · 6th | Salisbury, South West | Outstanding 2022-11-15×0.85 |
| 17 | Aylesbury Grammar School | 87.7 compositeOfsted28.3 Att827.6 EM5+31.7 | Grammar · Day · 6th | Aylesbury, South East | Outstanding 2022-11-02×0.85 |
| 18 | King Edward VI Aston School | 87.1 compositeOfsted28.3 Att826.4 EM5+32.4 | Grammar · Day · 6th | Birmingham, West Midlands | Outstanding 2022-05-10×0.85 |
| 19 | Sir Joseph Williamson's Mathematical School | 85.2 compositeOfsted28.3 Att825.7 EM5+31.2 | Grammar · Day · 6th | Rochester, South East | Outstanding 2023-03-21×0.85 |
| 20 | Sutton Grammar School | 84.1 compositeOfsted21.2 Att829.7 EM5+33.1 | Grammar · Day · 6th | Sutton, London | Good 2022-06-22×0.85 |
| 21 | King Edward VI Handsworth Grammar School for Boys | 83.9 compositeOfsted25.0 Att826.7 EM5+32.2 | Grammar · Day · 6th | Birmingham, West Midlands | Good 2024-04-16 |
| 22 | Tauheedul Islam Boys' High School | 83.5 compositeOfsted33.3 Att823.1 EM5+27.0 | Free School · Day · 6th | Blackburn, North West | Outstanding 2024-03-05 |
| 23 | Tiffin School | 83.3 compositeOfsted21.2 Att829.3 EM5+32.8 | Grammar · Day · 6th | Kingston upon Thames, London | Good 2022-05-24×0.85 |
| 24 | Dr Challoner's Grammar School | 82.8 compositeOfsted23.3 Att827.4 EM5+32.1 | Grammar · Day · 6th | Amersham, South East | Outstanding 2019-11-05×0.7 |
| 25 | Sir Thomas Rich's School | 82.7 compositeOfsted21.2 Att828.6 EM5+32.9 | Grammar · Day · 6th | Gloucester, South West | Good 2021-10-06×0.85 |