| 1 | St Paul's Girls' School Period 202122 | 56.7 | Independent · Day · 6th | London, London | — |
| 2 | Westminster School Period 202122 | 56.5 | Independent · Boarding · 6th | London, London | — |
| 3 | The Godolphin and Latymer School Period 202122 | 55.2 | Independent · Day · 6th | London, London | — |
| 4 | City of London School Period 202122 | 54.8 | Independent · Day · 6th | London, London | — |
| 5 | North London Collegiate School Period 202425 | 54.6 | Independent · Day · 6th | Middlesex, London | — |
| 6 | Lady Eleanor Holles School Period 202122 | 54.1 | Independent · Day · 6th | Hampton, London | — |
| 7 | City of London School for Girls Period 202122 | 53.5 | Independent · Day · 6th | London, London | — |
| 8 | Alleyn's School Period 202122 | 53.3 | Independent · Day · 6th | London, London | — |
| 9 | Highgate School Period 202122 | 53.1 | Independent · Day · 6th | Unknown, London | — |
| 10 | Hampton School Period 202122 | 52.9 | Independent · Day · 6th | Hampton, London | — |
| 11 | Dulwich College Period 202122 | 52.9 | Independent · Boarding · 6th | London, London | — |
| 12 | South Hampstead High School GDST Period 202122 | 52.6 | Independent · Day · 6th | London, London | — |
| 13 | James Allen's Girls' School Period 202223 | 52.6 | Independent · Day · 6th | London, London | — |
| 14 | Wimbledon High School GDST Period 202122 | 52.3 | Independent · Day · 6th | Unknown, London | — |
| 15 | Notting Hill & Ealing High School GDST Period 202122 | 52.3 | Independent · Day · 6th | Unknown, London | — |
| 16 | Latymer Upper School and Latymer Prep Period 202122 | 52.2 | Independent · Day · 6th | London, London | — |
| 17 | Surbiton High School Period 202122 | 51.8 | Independent · Day · 6th | Kingston upon Thames, London | — |
| 18 | University College School Period 202122 | 51.7 | Independent · Day · 6th | London, London | — |
| 19 | Putney High School GDST Period 202425 | 51.5 | Independent · Day · 6th | Unknown, London | — |
| 20 | Bancroft's School Period 202122 | 51.4 | Independent · Day · 6th | Woodford Green, London | — |
| 21 | The Harrodian School Period 202122 | 51.3 | Independent · Day · 6th | London, London | Good |
| 22 | Harrow School Period 202122 | 51.1 | Independent · Boarding · 6th | Harrow-on-the-Hill, London | — |
| 23 | Francis Holland School Period 202122 | 51.1 | Independent · Day · 6th | London, London | — |
| 24 | Colfe's School Period 202122 | 50.7 | Independent · Day · 6th | London, London | — |
| 25 | St Helen's School Period 202122 | 50.5 | Independent · Day · 6th | Northwood, London | — |