| 1 | Chelmsford County High School for Girls | 71.5 compositeOfsted18.0 AAB%10.1 VA9.4 Att816.1 EM5+17.9 | Grammar · Day · 6th | Chelmsford, East of England | Outstanding 2024-01-23 |
| 2 | The Tiffin Girls' School | 71.5 compositeOfsted15.3 AAB%12.1 VA9.2 Att817.1 EM5+17.9 | Grammar · Day · 6th | Kingston upon Thames, London | Outstanding 2021-10-13×0.85 |
| 3 | Altrincham Grammar School for Girls | 69.7 compositeOfsted15.3 AAB%11.2 VA9.0 Att816.1 EM5+18.0 | Grammar · Day · 6th | Altrincham, North West | Outstanding 2022-10-11×0.85 |
| 4 | Colchester County High School for Girls | 69.3 compositeOfsted18.0 AAB%7.9 VA9.2 Att816.1 EM5+18.0 | Grammar · Day · 6th | Colchester, East of England | Outstanding 2023-11-28 |
| 5 | The Henrietta Barnett School | 68.9 compositeOfsted11.5 AAB%12.7 VA9.3 Att817.5 EM5+18.0 | Grammar · Day · 6th | London, London | Good 2022-05-04×0.85 |
| 6 | Dr Challoner's High School | 68.8 compositeOfsted18.0 AAB%7.3 VA9.7 Att815.8 EM5+17.9 | Grammar · Day · 6th | Amersham, South East | Outstanding 2023-11-21 |
| 7 | St Michael's Catholic Grammar School | 68.5 compositeOfsted15.3 AAB%9.4 VA11.0 Att815.6 EM5+17.3 | Grammar · Day · 6th | London, London | Outstanding 2022-11-09×0.85 |
| 8 | King Edward VI Camp Hill School for Girls | 68.1 compositeOfsted15.3 AAB%9.9 VA9.1 Att816.1 EM5+17.6 | Grammar · Day · 6th | Birmingham, West Midlands | Outstanding 2021-11-17×0.85 |
| 9 | Kendrick School | 68.0 compositeOfsted15.3 AAB%9.3 VA8.6 Att816.8 EM5+18.0 | Grammar · Day · 6th | Reading, South East | Outstanding 2022-11-08×0.85 |
| 10 | Stroud High School | 67.8 compositeOfsted18.0 AAB%6.0 VA10.9 Att815.4 EM5+17.6 | Grammar · Day · 6th | Stroud, South West | Outstanding 2023-11-07 |
| 11 | Wolverhampton Girls' High School | 67.3 compositeOfsted18.0 AAB%7.8 VA9.0 Att815.1 EM5+17.5 | Grammar · Day · 6th | Wolverhampton, West Midlands | Outstanding 2023-11-28 |
| 12 | Newstead Wood School | 66.3 compositeOfsted15.3 AAB%6.8 VA9.6 Att816.6 EM5+18.0 | Grammar · Day · 6th | Orpington, London | Outstanding 2022-02-02×0.85 |
| 13 | Tunbridge Wells Girls' Grammar School | 66.1 compositeOfsted18.0 AAB%5.2 VA10.6 Att814.7 EM5+17.6 | Grammar · Day · 6th | Tunbridge Wells, South East | Outstanding 2023-09-19 |
| 14 | Nonsuch High School for Girls | 65.8 compositeOfsted11.5 AAB%10.6 VA9.9 Att816.1 EM5+17.8 | Grammar · Day · 6th | Sutton, London | Good 2021-05-25×0.85 |
| 15 | Aylesbury High School | 65.6 compositeOfsted18.0 AAB%6.0 VA8.9 Att814.9 EM5+17.8 | Grammar · Day · 6th | Aylesbury, South East | Outstanding 2023-12-05 |
| 16 | Stratford Girls' Grammar School | 65.3 compositeOfsted15.3 AAB%6.9 VA9.0 Att816.1 EM5+18.0 | Grammar · Day · 6th | Stratford-upon-Avon, West Midlands | Outstanding 2022-09-27×0.85 |
| 17 | Tauheedul Islam Girls' High School | 65.1 compositeOfsted15.3 AAB%5.6 VA13.1 Att814.5 EM5+16.7 | Academy · Day · 6th | Blackburn, North West | Outstanding 2022-10-11×0.85 |
| 18 | Wycombe High School | 64.5 compositeOfsted18.0 AAB%5.0 VA9.3 Att814.8 EM5+17.4 | Grammar · Day · 6th | High Wycombe, South East | Outstanding 2024-04-30 |
| 19 | Newport Girls' High School Academy | 64.1 compositeOfsted15.3 AAB%6.8 VA9.6 Att815.1 EM5+17.4 | Grammar · Day · 6th | Newport, West Midlands | Outstanding 2022-11-01×0.85 |
| 20 | Invicta Grammar School | 64.0 compositeOfsted18.0 AAB%4.7 VA10.5 Att814.2 EM5+16.7 | Grammar · Day · 6th | Maidstone, South East | Outstanding 2024-04-16 |
| 21 | Tonbridge Grammar School | 63.7 compositeOfsted14.5 VA11.0 Att817.8 EM5+20.4 | Grammar · Day · 6th | Tonbridge, South East | Outstanding 2019-10-16×0.7 |
| 22 | Southend High School for Girls | 63.3 compositeOfsted18.0 AAB%3.2 VA9.3 Att815.0 EM5+17.8 | Grammar · Day · 6th | Southend-on-Sea, East of England | Outstanding 2024-07-02 |
| 23 | Loreto Grammar School | 63.3 compositeOfsted15.3 AAB%6.0 VA10.6 Att814.7 EM5+16.6 | Grammar · Day · 6th | Altrincham, North West | Outstanding 2022-09-28×0.85 |
| 24 | Westcliff High School for Girls | 63.2 compositeOfsted18.0 AAB%4.5 VA8.1 Att815.1 EM5+17.5 | Grammar · Day · 6th | Westcliff-on-Sea, East of England | Outstanding 2024-02-06 |
| 25 | Bournemouth School for Girls | 62.1 compositeOfsted18.0 AAB%3.4 VA9.0 Att814.4 EM5+17.3 | Grammar · Day · 6th | Bournemouth, South West | Outstanding 2024-05-08 |