| 1 | 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 |
| 2 | 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 |
| 3 | 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 |
| 4 | 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 |
| 5 | 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 |
| 6 | Woodford County High School | 61.4 compositeOfsted11.5 AAB%6.7 VA9.4 Att816.0 EM5+17.8 | Grammar · Day · 6th | Woodford Green, London | Good 2022-11-22×0.85 |
| 7 | Lady Margaret School | 61.0 compositeOfsted18.0 AAB%4.8 VA10.2 Att813.3 EM5+14.7 | Academy · Day · 6th | London, London | Outstanding 2023-11-22 |
| 8 | Townley Grammar School | 60.6 compositeOfsted15.3 AAB%3.9 VA9.0 Att815.0 EM5+17.4 | Grammar · Day · 6th | Bexleyheath, London | Outstanding 2023-02-28×0.85 |
| 9 | Wallington High School for Girls | 58.5 compositeAAB%8.6 VA10.6 Att818.6 EM5+20.6 | Grammar · Day · 6th | Wallington, London | — 2025-03-18 |
| 10 | Bentley Wood High School | 58.0 compositeOfsted18.0 AAB%2.3 VA14.8 Att811.7 EM5+11.2 | Academy · Day · 6th | Stanmore, London | Outstanding 2023-11-14 |
| 11 | The Grey Coat Hospital | 57.7 compositeOfsted15.3 AAB%5.4 VA9.5 Att813.3 EM5+14.2 | Academy · Day · 6th | London, London | Outstanding 2022-10-04×0.85 |
| 12 | Hasmonean High School for Girls | 57.0 compositeOfsted13.5 AAB%5.5 VA10.3 Att812.7 EM5+15.0 | Academy · Day | London, London | Good 2023-09-20 |
| 13 | Clapton Girls' Academy | 55.9 compositeOfsted18.0 AAB%2.6 VA11.9 Att811.9 EM5+11.4 | Academy · Day · 6th | London, London | Outstanding 2024-05-22 |
| 14 | The Camden School for Girls | 55.2 compositeOfsted11.5 AAB%7.0 VA9.8 Att812.8 EM5+14.1 | State · Day · 6th | London, London | Good 2022-06-08×0.85 |
| 15 | Parliament Hill School | 53.6 compositeOfsted18.0 AAB%1.1 VA12.5 Att811.4 EM5+10.7 | State · Day · 6th | London, London | Outstanding 2024-05-22 |
| 16 | Harris Girls' Academy East Dulwich | 52.9 compositeOfsted18.0 AAB%1.4 VA12.5 Att810.9 EM5+10.1 | Academy · Day · 6th | London, London | Outstanding 2023-12-05 |
| 17 | Yesodey Hatorah Senior Girls School | 52.1 compositeOfsted18.5 Att816.2 EM5+17.4 | State · Day | London, London | Good 2024-05-08 |
| 18 | Mulberry School for Girls | 50.5 compositeOfsted18.0 AAB%2.4 VA10.0 Att811.0 EM5+9.1 | Academy · Day · 6th | London, London | Outstanding 2024-04-23 |
| 19 | Waldegrave School | 50.2 compositeAAB%5.2 VA12.4 Att815.5 EM5+17.1 | Academy · Day · 6th | Twickenham, London | — 2024-10-16 |
| 20 | The Holy Cross School | 49.6 compositeOfsted11.5 AAB%3.4 VA9.5 Att811.8 EM5+13.4 | Academy · Day · 6th | New Malden, London | Good 2022-05-18×0.85 |
| 21 | Menorah High School for Girls | 48.2 compositeAAB%3.2 VA12.0 Att815.4 EM5+17.6 | State · Day · 6th | London, London | — 2024-12-04 |
| 22 | Ursuline High School Wimbledon | 48.1 compositeOfsted11.5 AAB%2.2 VA10.3 Att812.1 EM5+11.9 | Academy · Day · 6th | London, London | Good 2021-10-12×0.85 |
| 23 | Sacred Heart High School | 48.0 compositeAAB%3.9 VA16.1 Att814.0 EM5+14.0 | Academy · Day · 6th | London, London | — 2023-11-15 |
| 24 | Swakeleys School for Girls | 47.6 compositeOfsted11.5 AAB%2.4 VA12.3 Att811.2 EM5+10.2 | Academy · Day · 6th | Uxbridge, London | Good 2022-05-17×0.85 |
| 25 | St Philomena's Catholic High School for Girls | 47.4 compositeOfsted11.5 AAB%3.5 VA10.1 Att811.4 EM5+10.8 | State · Day · 6th | Carshalton, London | Good 2022-02-24×0.85 |