| 26 | Al Risalah Boys' School | 46.0 compositeOfsted13.9 Att814.7 EM5+17.5 | Independent · Day | London, London | Good |
| 27 | City of London School for Girls | 45.9 compositeOfsted13.5 AAB%12.7 VA9.7 Att89.9 EM5+0.0 | Independent · Day · 6th | London, London | — |
| 28 | London East Academy | 45.3 compositeOfsted13.9 Att815.3 EM5+16.2 | Independent · Day | London, London | Good |
| 29 | Al Risalah Secondary School | 44.5 compositeOfsted13.9 Att815.2 EM5+15.4 | Independent · Day | London, London | Good |
| 30 | South Hampstead High School GDST | 44.1 compositeOfsted13.5 AAB%10.9 VA10.1 Att89.6 EM5+0.0 | Independent · Day · 6th | London, London | — |
| 31 | Surbiton High School | 44.0 compositeOfsted18.0 AAB%7.5 VA10.1 Att88.4 EM5+0.0 | Independent · Day · 6th | Kingston upon Thames, London | — |
| 32 | The Godolphin and Latymer School | 43.9 compositeOfsted13.5 AAB%12.2 VA10.1 Att88.1 EM5+0.0 | Independent · Day · 6th | London, London | — |
| 33 | Hampton School | 43.6 compositeOfsted18.0 AAB%11.1 VA10.2 Att84.3 EM5+0.0 | Independent · Day · 6th | Hampton, London | — |
| 34 | Bancroft's School | 43.0 compositeOfsted13.5 AAB%11.2 VA9.9 Att88.5 EM5+0.0 | Independent · Day · 6th | Woodford Green, London | — |
| 35 | Colfe's School | 43.0 compositeOfsted13.5 AAB%11.1 VA9.9 Att88.5 EM5+0.0 | Independent · Day · 6th | London, London | — |
| 36 | Highgate School | 42.9 compositeOfsted13.5 AAB%11.9 VA10.3 Att87.2 EM5+0.0 | Independent · Day · 6th | Unknown, London | — |
| 37 | Al Madina School for Girls | 42.8 compositeOfsted13.9 Att813.8 EM5+15.1 | Independent · Day | Barking, London | Good |
| 38 | Kingston Grammar School | 42.3 compositeOfsted13.5 AAB%9.6 VA10.5 Att88.7 EM5+0.0 | Independent · Day · 6th | Kingston upon Thames, London | — |
| 39 | Bromley High School GDST | 42.0 compositeOfsted18.0 AAB%6.8 VA10.6 Att86.6 EM5+0.0 | Independent · Day · 6th | Bromley, London | — |
| 40 | Lady Eleanor Holles School | 41.4 compositeOfsted13.5 AAB%10.4 VA9.5 Att88.0 EM5+0.0 | Independent · Day · 6th | Hampton, London | — |
| 41 | Radnor House | 41.2 compositeOfsted13.5 AAB%4.8 VA11.7 Att811.2 EM5+0.0 | Independent · Day · 6th | Twickenham, London | — |
| 42 | Lady Nafisa School | 41.2 compositeOfsted13.9 Att814.2 EM5+13.1 | Independent · Day | Unknown, London | Good |
| 43 | Immanuel School | 40.9 composite | Independent · Day | Romford, London | — |
| 44 | Sutton High School GDST | 40.3 compositeOfsted13.5 AAB%8.1 VA10.8 Att87.8 EM5+0.0 | Independent · Day · 6th | Unknown, London | — |
| 45 | London Park School Clapham | 40.2 composite | Independent · Day | London, London | — |
| 46 | Latymer Upper School and Latymer Prep | 40.0 compositeOfsted13.5 AAB%13.0 VA10.8 Att82.7 EM5+0.0 | Independent · Day · 6th | London, London | — |
| 47 | Quwwat Ul Islam Girls' School | 39.9 compositeOfsted13.9 Att814.4 EM5+11.6 | Independent · Day | London, London | Good |
| 48 | Emanuel School | 39.7 compositeOfsted13.5 AAB%8.9 VA10.8 Att86.5 EM5+0.0 | Independent · Day · 6th | London, London | — |
| 49 | Babington House School | 39.4 compositeOfsted4.5 AAB%0.0 VA10.0 Att812.0 EM5+12.9 | Independent · Day · 6th | Chislehurst, London | — |
| 50 | Read Academy Education | 39.3 compositeOfsted13.9 Att813.1 EM5+12.3 | Independent · Day | Ilford, London | Good |