| 1 | Aylesbury Grammar School | Outstanding | Grammar · Day · 6th | Aylesbury, South East | Outstanding |
| 2 | Borden Grammar School | 928 pupils | Grammar · Day · 6th | Sittingbourne, South East | — |
| 3 | Dartford Grammar School | Outstanding | Grammar · Day · 6th | Dartford, South East | Outstanding |
| 4 | Dover Grammar School for Boys | 899 pupils | Grammar · Day · 6th | Dover, South East | — |
| 5 | Dr Challoner's Grammar School | Outstanding | Grammar · Day · 6th | Amersham, South East | Outstanding |
| 6 | Gravesend Grammar School | 1,493 pupils | Grammar · Day · 6th | Gravesend, South East | — |
| 7 | Holcombe Grammar School | 1,036 pupils | Grammar · Day · 6th | Chatham, South East | — |
| 8 | John Hampden Grammar School | Outstanding | Grammar · Day · 6th | High Wycombe, South East | Outstanding |
| 9 | Maidstone Grammar School | 1,415 pupils | Grammar · Day · 6th | Maidstone, South East | — |
| 10 | Oakwood Park Grammar School | 1,088 pupils | Grammar · Day · 6th | Maidstone, South East | — |
| 11 | Reading School | Outstanding | Grammar · Boarding · 6th | Reading, South East | Outstanding |
| 12 | Simon Langton Grammar School for Boys | 1,211 pupils | Grammar · Day · 6th | Canterbury, South East | — |
| 13 | Sir Joseph Williamson's Mathematical School | Outstanding | Grammar · Day · 6th | Rochester, South East | Outstanding |
| 14 | The Harvey Grammar School | 1,015 pupils | Grammar · Day · 6th | Folkestone, South East | — |
| 15 | The Judd School | 1,499 pupils | Grammar · Day · 6th | Tonbridge, South East | — |
| 16 | The Norton Knatchbull School | Good | Grammar · Day · 6th | Ashford, South East | Good |
| 17 | The Royal Grammar School, High Wycombe | Good | Grammar · Boarding · 6th | High Wycombe, South East | Good |
| 18 | The Skinners' School | Good | Grammar · Day · 6th | Tunbridge Wells, South East | Good |
| 19 | Tunbridge Wells Grammar School for Boys | 1,799 pupils | Grammar · Day · 6th | Tunbridge Wells, South East | — |
| 20 | Wilmington Grammar School for Boys | 1,178 pupils | Grammar · Day · 6th | Dartford, South East | — |