| 1 | Dr Challoner's High School | 64.9 composite | Grammar · Day · 6th | Amersham, South East | Outstanding 2023-11-21 |
| 2 | Tunbridge Wells Girls' Grammar School | 62.5 composite | Grammar · Day · 6th | Tunbridge Wells, South East | Outstanding 2023-09-19 |
| 3 | Kendrick School | 61.4 composite | Grammar · Day · 6th | Reading, South East | Outstanding 2022-11-08×0.85 |
| 4 | Invicta Grammar School | 61.4 composite | Grammar · Day · 6th | Maidstone, South East | Outstanding 2024-04-16 |
| 5 | Aylesbury High School | 60.9 composite | Grammar · Day · 6th | Aylesbury, South East | Outstanding 2023-12-05 |
| 6 | Wycombe High School | 59.8 composite | Grammar · Day · 6th | High Wycombe, South East | Outstanding 2024-04-30 |
| 7 | The Holt School | 57.8 composite | Academy · Day · 6th | Wokingham, South East | Outstanding 2023-03-28×0.85 |
| 8 | Davison Church of England High School for Girls, Worthing | 55.0 composite | State · Day | Worthing, South East | Outstanding 2024-06-04 |
| 9 | Fort Pitt Grammar School | 51.1 composite | Grammar · Day · 6th | Chatham, South East | Outstanding 2022-10-04×0.85 |
| 10 | Beaconsfield High School | 50.9 composite | Grammar · Day · 6th | Beaconsfield, South East | Outstanding 2019-12-11×0.7 |
| 11 | Mayfield Grammar School, Gravesend | 49.8 composite | Grammar · Day · 6th | Gravesend, South East | Outstanding 2024-04-30 |
| 12 | Maidstone Grammar School for Girls | 49.8 composite | Grammar · Day · 6th | Maidstone, South East | Outstanding 2023-03-07×0.85 |
| 13 | The Folkestone School for Girls | 49.4 composite | Grammar · Day · 6th | Folkestone, South East | Good 2024-04-23 |
| 14 | Tonbridge Grammar School | 48.0 composite | Grammar · Day · 6th | Tonbridge, South East | Outstanding 2019-10-16×0.7 |
| 15 | The Rochester Grammar School | 45.0 composite | Grammar · Day · 6th | Rochester, South East | Good 2023-01-17×0.85 |
| 16 | Wilmington Grammar School for Girls | 44.5 composite | Grammar · Day · 6th | Dartford, South East | Good 2022-11-16×0.85 |
| 17 | Highsted Grammar School | 44.1 composite | Grammar · Day · 6th | Sittingbourne, South East | Good 2023-01-17×0.85 |
| 18 | Windsor Girls' School | 39.7 composite | Academy · Day · 6th | Windsor, South East | Requires Improvement 2024-05-14 |
| 19 | Baylis Court School | 38.7 composite | Academy · Day · 6th | Slough, South East | Good 2022-03-16×0.85 |
| 20 | Rosebery School | 35.5 composite | Academy · Day · 6th | Epsom, South East | — 2023-01-25 |
| 21 | Millais School | 35.1 composite | State · Day | Horsham, South East | Good 2022-09-13×0.85 |
| 22 | Reading Girls' School | 35.1 composite | Academy · Day | Reading, South East | Good 2021-11-24×0.85 |
| 23 | Dartford Grammar School for Girls | 32.1 composite | Grammar · Day · 6th | Dartford, South East | — 2021-10-20 |
| 24 | Weald of Kent Grammar School | 30.1 composite | Grammar · Day · 6th | Tonbridge, South East | — 2024-10-01 |
| 25 | Walderslade School | 29.4 composite | Academy · Day · 6th | Chatham, South East | Inadequate 2023-02-22×0.85 |