| 1 | Hampton School | 777 pupils → 35 unis | Independent · Day · 6th | Hampton, London | — |
| 2 | Bromsgrove School | 772 pupils → 44 unis | Independent · Boarding · 6th | Bromsgrove, West Midlands | — |
| 3 | Marlborough College | 729 pupils → 22 unis | Independent · Boarding · 6th | Wiltshire, South West | — |
| 4 | North London Collegiate School | 551 pupils → 23 unis | Independent · Day · 6th | Middlesex, London | — |
| 5 | Charterhouse | 525 pupils → 37 unis | Independent · Boarding · 6th | Godalming, South East | — |
| 6 | Tonbridge School | 514 pupils → 47 unis | Independent · Boarding · 6th | Tonbridge, South East | — |
| 7 | City of London School for Girls | 504 pupils → 17 unis | Independent · Day · 6th | London, London | — |
| 8 | St Albans High School for Girls | 450 pupils → 35 unis | Independent · Day · 6th | Unknown, East of England | — |
| 9 | Latymer Upper School and Latymer Prep | 397 pupils → 32 unis | Independent · Day · 6th | London, London | — |
| 10 | Guildford High School | 350 pupils → 32 unis | Independent · Day · 6th | Guildford, South East | — |
| 11 | Magdalen College School | 305 pupils → 32 unis | Independent · Day · 6th | Oxford, South East | — |
| 12 | King Edward VI High School for Girls | 303 pupils → 38 unis | Independent · Day · 6th | Birmingham, West Midlands | — |
| 13 | Trinity School | 292 pupils → 25 unis | Independent · Day · 6th | Unknown, London | — |
| 14 | St Paul's School | 261 pupils → 21 unis | Independent · Boarding · 6th | London, London | — |
| 15 | The Godolphin and Latymer School | 223 pupils → 21 unis | Independent · Day · 6th | London, London | — |
| 16 | Wycombe Abbey | 176 pupils → 10 unis | Independent · Boarding · 6th | High Wycombe, South East | — |
| 17 | Dulwich College | 174 pupils → 21 unis | Independent · Boarding · 6th | London, London | — |
| 18 | The Perse School | 169 pupils → 31 unis | Independent · Day · 6th | Unknown, East of England | — |
| 19 | City of London School | 168 pupils → 21 unis | Independent · Day · 6th | London, London | — |
| 20 | Abingdon School | 164 pupils → 37 unis | Independent · Boarding · 6th | Abingdon, South East | — |