| 1 | Wimbledon High School GDST Period 202425 | 81.0 | Independent · Day · 6th | Unknown, London | — |
| 2 | The Harrodian School Period 202425 | 75.4 | Independent · Day · 6th | London, London | Good |
| 3 | St Helen's School Period 202425 | 73.0 | Independent · Day · 6th | Northwood, London | — |
| 4 | St Paul's School | 72.0 | Independent · Boarding · 6th | London, London | — |
| 5 | King's College School | 70.2 | Independent · Day · 6th | London, London | — |
| 6 | Northwood College for Girls GDST Period 202425 | 69.9 | Independent · Day · 6th | Northwood, London | — |
| 7 | St John's Preparatory and Senior School Period 202425 | 68.1 | Independent · Day · 6th | Potters Bar, London | — |
| 8 | North Bridge House Senior Canonbury School Period 202425 | 67.5 | Independent · Day · 6th | Unknown, London | — |
| 9 | Kew House Period 202425 | 66.9 | Independent · Day · 6th | London, London | — |
| 10 | Thomas's College Period 202425 | 64.4 | Independent · Boarding · 6th | Richmond, London | — |
| 11 | ArtsEd Day School & Sixth Form Period 202425 | 63.3 | Independent · Day · 6th | London, London | — |
| 12 | Ayesha Siddiqa Girls School Period 202425 | 62.3 | Independent · Day · 6th | Southall, London | Good |
| 13 | North Bridge House Senior School Period 202425 | 62.3 | Independent · Day · 6th | Unknown, London | — |
| 14 | Tayyibah Girls' School Period 202425 | 61.6 | Independent · Day · 6th | London, London | Good |
| 15 | Babington House School Period 202425 | 59.8 | Independent · Day · 6th | Chislehurst, London | — |
| 16 | St Augustine's Priory Period 202425 | 59.7 | Independent · Day · 6th | London, London | — |
| 17 | London Islamic School Period 202425 | 58.7 | Independent · Day | London, London | Good |
| 18 | Forest School | 58.5 | Independent · Day · 6th | London, London | — |
| 19 | Francis Holland School Period 202425 | 58.5 | Independent · Day · 6th | London, London | — |
| 20 | Trinity School Period 202425 | 58.5 | Independent · Day · 6th | Unknown, London | — |
| 21 | James Allen's Girls' School Period 202425 | 56.8 | Independent · Day · 6th | London, London | — |
| 22 | Madani Secondary Girls' School Period 202425 | 56.6 | Independent · Day · 6th | London, London | Good |
| 23 | Radnor House Period 202425 | 56.2 | Independent · Day · 6th | Twickenham, London | — |
| 24 | St Catherine's School Period 202425 | 56.1 | Independent · Day · 6th | UK, London | — |
| 25 | London East Academy Period 202425 | 55.7 | Independent · Day | London, London | Good |