| 1 | The Latymer School Period 202425 | 80.1 | Grammar · Day · 6th | London, London | Good |
| 2 | Michaela Community School Period 202425 | 77.6 | Free School · Day · 6th | London, London | — |
| 3 | Chislehurst and Sidcup Grammar School Period 202425 | 75.6 | Grammar · Day · 6th | Sidcup, London | — |
| 4 | Bexley Grammar School Period 202425 | 74.7 | Grammar · Day · 6th | Welling, London | Outstanding |
| 5 | West London Free School Period 202425 | 69.2 | Free School · Day · 6th | London, London | Good |
| 6 | Ark Greenwich Free School Period 202425 | 68.2 | Free School · Day | London, London | Outstanding |
| 7 | Twyford Church of England High School Period 202425 | 67.1 | Academy · Day · 6th | London, London | Outstanding |
| 8 | Ashcroft Technology Academy Period 202425 | 66.7 | Academy · Day · 6th | London, London | Outstanding |
| 9 | Ealing Fields Church of England High School Period 202425 | 66.1 | Free School · Day | London, London | — |
| 10 | Mossbourne Community Academy Period 202425 | 65.1 | Academy · Day · 6th | London, London | Outstanding |
| 11 | The Charter School North Dulwich Period 202425 | 65.0 | Academy · Day · 6th | London, London | Outstanding |
| 12 | JFS Period 202425 | 64.6 | State · Day · 6th | Harrow, London | Good |
| 13 | Orleans Park School Period 202425 | 64.4 | Academy · Day · 6th | Twickenham, London | — |
| 14 | Ada Lovelace Church of England High School Period 202425 | 64.4 | Free School · Day · 6th | London, London | Outstanding |
| 15 | Mossbourne Victoria Park Academy Period 202425 | 64.3 | Academy · Day · 6th | London, London | Outstanding |
| 16 | Avanti House School Period 202425 | 64.0 | Free School · Day · 6th | Stanmore, London | — |
| 17 | Graveney School Period 202425 | 63.9 | Academy · Day · 6th | London, London | Outstanding |
| 18 | Wembley High Technology College Period 202425 | 63.5 | Academy · Day · 6th | North Wembley, London | Outstanding |
| 19 | The Kingston Academy Period 202425 | 62.8 | Free School · Day · 6th | Kingston upon Thames, London | — |
| 20 | Grey Court School Period 202425 | 62.8 | Academy · Day · 6th | Richmond, London | — |
| 21 | William Perkin Church of England High School Period 202425 | 62.5 | Free School · Day · 6th | Greenford, London | — |
| 22 | St Mark's Catholic School Period 202425 | 62.5 | Academy · Day · 6th | Hounslow, London | Outstanding |
| 23 | St Richard Reynolds Catholic High School Period 202425 | 61.8 | Academy · Day · 6th | London, London | — |
| 24 | Glenthorne High School Period 202425 | 61.6 | Academy · Day · 6th | Sutton, London | Good |
| 25 | Paddington Academy Period 202425 | 61.6 | Academy · Day · 6th | London, London | Outstanding |