| 26 | The Palmer Catholic Academy Period 202324 | 0.91 | Academy · Day · 6th | Ilford, London | — |
| 27 | Harris City Academy Crystal Palace Period 202324 | 0.90 | Academy · Day · 6th | London, London | — |
| 28 | City of London Academy, Highgate Hill Period 202425 | 0.88 | Free School · Day · 6th | London, London | Good |
| 29 | Norlington School and 6th Form Period 202425 | 0.88 | Academy · Day · 6th | London, London | — |
| 30 | West London Free School Period 202324 | 0.87 | Free School · Day · 6th | London, London | Good |
| 31 | Copthall School Period 202425 | 0.83 | Academy · Day · 6th | London, London | — |
| 32 | Brentside High School Period 202425 | 0.83 | State · Day · 6th | London, London | — |
| 33 | Harlington School Period 202324 | 0.83 | State · Day · 6th | Hayes, London | — |
| 34 | Welling School Period 202324 | 0.82 | Academy · Day · 6th | Welling, London | Requires Improvement |
| 35 | Kingsbury High School Period 202324 | 0.81 | Academy · Day · 6th | London, London | — |
| 36 | The Urswick School - A Church of England Secondary School Period 202324 | 0.81 | State · Day · 6th | London, London | Good |
| 37 | The Warren School Period 202324 | 0.81 | Academy · Day · 6th | Romford, London | Outstanding |
| 38 | Greatfields School Period 202425 | 0.80 | Free School · Day · 6th | Barking, London | — |
| 39 | Sydenham School Period 202425 | 0.80 | State · Day · 6th | London, London | — |
| 40 | Parliament Hill School Period 202324 | 0.78 | State · Day · 6th | London, London | Outstanding |
| 41 | Harris Girls' Academy East Dulwich Period 202324 | 0.78 | Academy · Day · 6th | London, London | Outstanding |
| 42 | Barking Abbey School, A Specialist Sports and Humanities College Period 202425 | 0.77 | State · Day · 6th | Barking, London | Outstanding |
| 43 | Brook Sixth Form and Academy Period 202324 | 0.77 | Free School · Day · 6th | Dagenham, London | — |
| 44 | Regent High School Period 202425 | 0.76 | State · Day · 6th | London, London | — |
| 45 | Central Foundation Boys' School Period 202425 | 0.75 | State · Day · 6th | London, London | — |
| 46 | Royal Greenwich Trust School Period 202425 | 0.75 | Free School · Day · 6th | London, London | Good |
| 47 | Harris Academy Falconwood Period 202324 | 0.75 | Academy · Day · 6th | Welling, London | Good |
| 48 | Swakeleys School for Girls Period 202425 | 0.74 | Academy · Day · 6th | Uxbridge, London | Good |
| 49 | St Bonaventure's RC School Period 202324 | 0.74 | State · Day · 6th | London, London | Outstanding |
| 50 | Clarion Period 202425 | 0.74 | Academy · Day · 6th | London, London | — |