| 26 | Burnham Grammar School Period 202425 | 94.4% | Grammar · Day · 6th | Slough, South East | — |
| 27 | Sir Joseph Williamson's Mathematical School Period 202425 | 93.5% | Grammar · Day · 6th | Rochester, South East | Outstanding |
| 28 | The Skinners' School Period 202425 | 93.4% | Grammar · Day · 6th | Tunbridge Wells, South East | Good |
| 29 | Oakwood Park Grammar School Period 202425 | 93.0% | Grammar · Day · 6th | Maidstone, South East | — |
| 30 | Dover Grammar School for Boys Period 202425 | 93.0% | Grammar · Day · 6th | Dover, South East | — |
| 31 | Dane Court Grammar School Period 202425 | 92.8% | Grammar · Day · 6th | Broadstairs, South East | Good |
| 32 | Invicta Grammar School Period 202425 | 92.8% | Grammar · Day · 6th | Maidstone, South East | Outstanding |
| 33 | The Rochester Grammar School Period 202425 | 92.4% | Grammar · Day · 6th | Rochester, South East | Good |
| 34 | Maidstone Grammar School Period 202425 | 92.0% | Grammar · Day · 6th | Maidstone, South East | — |
| 35 | Gravesend Grammar School Period 202425 | 91.9% | Grammar · Day · 6th | Gravesend, South East | — |
| 36 | Tunbridge Wells Grammar School for Boys Period 202425 | 91.2% | Grammar · Day · 6th | Tunbridge Wells, South East | — |
| 37 | The Norton Knatchbull School Period 202425 | 90.9% | Grammar · Day · 6th | Ashford, South East | Good |
| 38 | Wilmington Grammar School for Boys Period 202425 | 90.0% | Grammar · Day · 6th | Dartford, South East | — |
| 39 | Simon Langton Girls' Grammar School Period 202425 | 89.8% | Grammar · Day · 6th | Canterbury, South East | — |
| 40 | Wilmington Grammar School for Girls Period 202425 | 89.2% | Grammar · Day · 6th | Dartford, South East | Good |
| 41 | Simon Langton Grammar School for Boys Period 202425 | 88.9% | Grammar · Day · 6th | Canterbury, South East | — |
| 42 | Maidstone Grammar School for Girls Period 202425 | 87.7% | Grammar · Day · 6th | Maidstone, South East | Outstanding |
| 43 | Rainham Mark Grammar School Period 202425 | 87.3% | Grammar · Day · 6th | Gillingham, South East | Good |
| 44 | Queen Elizabeth's Grammar School Period 202425 | 87.2% | Grammar · Day · 6th | Faversham, South East | Good |
| 45 | Cranbrook School Period 202425 | 86.3% | Grammar · Boarding · 6th | Cranbrook, South East | Good |
| 46 | The Harvey Grammar School Period 202425 | 85.5% | Grammar · Day · 6th | Folkestone, South East | — |
| 47 | Mayfield Grammar School, Gravesend Period 202425 | 85.1% | Grammar · Day · 6th | Gravesend, South East | Outstanding |
| 48 | Fort Pitt Grammar School Period 202425 | 85.0% | Grammar · Day · 6th | Chatham, South East | Outstanding |
| 49 | Chatham & Clarendon Grammar School Period 202425 | 84.9% | Grammar · Day · 6th | Ramsgate, South East | — |
| 50 | Barton Court Grammar School Period 202425 | 84.9% | Grammar · Day · 6th | Canterbury, South East | Good |