| 1 | Kendrick School Period 202425 | 8.29 | Grammar · Day · 6th | Reading, South East | Outstanding |
| 2 | Dr Challoner's High School Period 202425 | 7.74 | Grammar · Day · 6th | Amersham, South East | Outstanding |
| 3 | Tonbridge Grammar School Period 202425 | 7.66 | Grammar · Day · 6th | Tonbridge, South East | Outstanding |
| 4 | Dartford Grammar School for Girls Period 202425 | 7.23 | Grammar · Day · 6th | Dartford, South East | — |
| 5 | Tunbridge Wells Girls' Grammar School Period 202425 | 7.22 | Grammar · Day · 6th | Tunbridge Wells, South East | Outstanding |
| 6 | Wycombe High School Period 202425 | 7.16 | Grammar · Day · 6th | High Wycombe, South East | Outstanding |
| 7 | Beaconsfield High School Period 202425 | 7.11 | Grammar · Day · 6th | Beaconsfield, South East | Outstanding |
| 8 | Aylesbury High School Period 202425 | 6.84 | Grammar · Day · 6th | Aylesbury, South East | Outstanding |
| 9 | Invicta Grammar School Period 202425 | 6.83 | Grammar · Day · 6th | Maidstone, South East | Outstanding |
| 10 | Highworth Grammar School Period 202425 | 6.70 | Grammar · Day · 6th | Ashford, South East | — |
| 11 | Weald of Kent Grammar School Period 202425 | 6.65 | Grammar · Day · 6th | Tonbridge, South East | — |
| 12 | The Rochester Grammar School Period 202425 | 6.51 | Grammar · Day · 6th | Rochester, South East | Good |
| 13 | Fort Pitt Grammar School Period 202425 | 6.39 | Grammar · Day · 6th | Chatham, South East | Outstanding |
| 14 | Wilmington Grammar School for Girls Period 202425 | 6.37 | Grammar · Day · 6th | Dartford, South East | Good |
| 15 | Maidstone Grammar School for Girls Period 202425 | 6.32 | Grammar · Day · 6th | Maidstone, South East | Outstanding |
| 16 | Simon Langton Girls' Grammar School Period 202425 | 6.17 | Grammar · Day · 6th | Canterbury, South East | — |
| 17 | Rosebery School Period 202425 | 6.15 | Academy · Day · 6th | Epsom, South East | — |
| 18 | The Holt School Period 202425 | 5.99 | Academy · Day · 6th | Wokingham, South East | Outstanding |
| 19 | Mayfield Grammar School, Gravesend Period 202425 | 5.91 | Grammar · Day · 6th | Gravesend, South East | Outstanding |
| 20 | Highsted Grammar School Period 202425 | 5.88 | Grammar · Day · 6th | Sittingbourne, South East | Good |
| 21 | Chatham Grammar Period 202425 | 5.86 | Grammar · Day · 6th | Chatham, South East | — |
| 22 | Dover Grammar School for Girls Period 202425 | 5.76 | Grammar · Day · 6th | Dover, South East | — |
| 23 | Didcot Girls' School Period 202425 | 5.57 | Academy · Day · 6th | Didcot, South East | — |
| 24 | Eden Girls' School, Slough Period 202425 | 5.54 | Free School · Day | Slough, South East | — |
| 25 | Newlands Girls' School Period 202425 | 5.30 | Academy · Day · 6th | Maidenhead, South East | — |