| 1 | Mulberry Stepney Green Mathematics and Computing College Period 202324 | 1.21 | Academy · Day · 6th | London, London | — |
| 2 | St Joseph's College Period 202324 | 0.92 | Academy · Day · 6th | London, London | Good |
| 3 | Norlington School and 6th Form Period 202425 | 0.88 | Academy · Day · 6th | London, London | — |
| 4 | Central Foundation Boys' School Period 202425 | 0.75 | State · Day · 6th | London, London | — |
| 5 | St Bonaventure's RC School Period 202324 | 0.74 | State · Day · 6th | London, London | Outstanding |
| 6 | Gunnersbury Catholic School Period 202324 | 0.65 | State · Day · 6th | Brentford, London | Outstanding |
| 7 | Ernest Bevin Academy Period 202324 | 0.58 | Academy · Day · 6th | London, London | Good |
| 8 | Newman Catholic College Period 202324 | 0.46 | State · Day · 6th | London, London | — |
| 9 | Harris Boys' Academy East Dulwich Period 202425 | 0.46 | Academy · Day · 6th | London, London | Outstanding |
| 10 | The Fulham Boys School Period 202324 | 0.45 | Free School · Day · 6th | London, London | Good |
| 11 | The St Thomas the Apostle College Period 202324 | 0.45 | State · Day · 6th | London, London | — |
| 12 | Queen Elizabeth's School, Barnet Period 202324 | 0.43 | Grammar · Day · 6th | Barnet, London | Outstanding |
| 13 | Wimbledon College Period 202324 | 0.42 | State · Day · 6th | London, London | — |
| 14 | Tiffin School Period 202425 | 0.41 | Grammar · Day · 6th | Kingston upon Thames, London | Good |
| 15 | Hasmonean High School for Boys Period 202425 | 0.38 | Academy · Day · 6th | London, London | Good |
| 16 | Rutlish School Period 202425 | 0.38 | State · Day · 6th | London, London | — |
| 17 | Wallington County Grammar School Period 202324 | 0.35 | Grammar · Day · 6th | Wallington, London | — |
| 18 | Carshalton Boys Sports College Period 202425 | 0.35 | Academy · Day · 6th | Carshalton, London | Good |
| 19 | Enfield Grammar School Period 202425 | 0.32 | Academy · Day · 6th | Enfield, London | — |
| 20 | Woolwich Polytechnic School Period 202324 | 0.32 | Academy · Day · 6th | London, London | — |
| 21 | Sutton Grammar School Period 202425 | 0.31 | Grammar · Day · 6th | Sutton, London | Good |
| 22 | Langley Park School for Boys Period 202324 | 0.31 | Academy · Day · 6th | Beckenham, London | — |
| 23 | Coombe Boys' School Period 202425 | 0.30 | Academy · Day · 6th | New Malden, London | — |
| 24 | The London Oratory School Period 202324 | 0.29 | Academy · Day · 6th | London, London | Outstanding |
| 25 | UTC Heathrow Period 202425 | 0.27 | Free School · Day · 6th | Northwood, London | Good |