| 26 | Haberdashers' Girls' School Period 202122 | 53.6 | Independent · Day · 6th | Borehamwood, East of England | — |
| 27 | City of London School for Girls Period 202122 | 53.5 | Independent · Day · 6th | London, London | — |
| 28 | Eton College Period 202122 | 53.5 | Independent · Boarding · 6th | Windsor, South East | — |
| 29 | Altrincham Grammar School for Girls Period 202122 | 53.3 | Grammar · Day · 6th | Altrincham, North West | Outstanding |
| 30 | Alleyn's School Period 202122 | 53.3 | Independent · Day · 6th | London, London | — |
| 31 | Haberdashers' Boys' School Period 202122 | 53.3 | Independent · Day · 6th | Unknown, East of England | — |
| 32 | The Perse School Period 202122 | 53.1 | Independent · Day · 6th | Unknown, East of England | — |
| 33 | Highgate School Period 202122 | 53.1 | Independent · Day · 6th | Unknown, London | — |
| 34 | Oxford International College Period 202122 | 52.9 | Independent · Boarding · 6th | Unknown, South East | Inadequate |
| 35 | Tonbridge School Period 202122 | 52.9 | Independent · Boarding · 6th | Tonbridge, South East | — |
| 36 | Hampton School Period 202122 | 52.9 | Independent · Day · 6th | Hampton, London | — |
| 37 | Dulwich College Period 202122 | 52.9 | Independent · Boarding · 6th | London, London | — |