| 51 | Northwood College for Girls GDST Period 202425 | 0.23 | Independent · Day · 6th | Northwood, London | — |
| 52 | Babington House School Period 202425 | 0.23 | Independent · Day · 6th | Chislehurst, London | — |
| 53 | Harrow School Period 202324 | 0.22 | Independent · Boarding · 6th | Harrow-on-the-Hill, London | — |
| 54 | Channing School Period 202425 | 0.22 | Independent · Day · 6th | Highgate, London | — |
| 55 | St Helen's School Period 202425 | 0.20 | Independent · Day · 6th | Northwood, London | — |
| 56 | Dulwich College Period 202324 | 0.19 | Independent · Boarding · 6th | London, London | — |
| 57 | Colfe's School Period 202425 | 0.19 | Independent · Day · 6th | London, London | — |
| 58 | Bancroft's School Period 202425 | 0.19 | Independent · Day · 6th | Woodford Green, London | — |
| 59 | Menorah Grammar School Period 202324 | 0.17 | Independent · Day · 6th | Edgware, London | Requires Improvement |
| 60 | City of London School for Girls Period 202324 | 0.16 | Independent · Day · 6th | London, London | — |
| 61 | Westminster School Period 202324 | 0.14 | Independent · Boarding · 6th | London, London | — |
| 62 | Notting Hill & Ealing High School GDST Period 202324 | 0.13 | Independent · Day · 6th | Unknown, London | — |
| 63 | Collingham Period 202324 | 0.11 | Independent · Day · 6th | London, London | — |
| 64 | Mount House School Period 202425 | 0.10 | Independent · Day · 6th | Barnet, London | — |
| 65 | Lady Eleanor Holles School Period 202425 | 0.10 | Independent · Day · 6th | Hampton, London | — |
| 66 | ArtsEd Day School & Sixth Form Period 202324 | 0.00 | Independent · Day · 6th | London, London | — |
| 67 | Kings London Period 202324 | -0.04 | Independent · Boarding · 6th | London, London | — |
| 68 | Streatham & Clapham High School GDST Period 202324 | -0.09 | Independent · Day · 6th | Unknown, London | — |
| 69 | Thames Christian School Period 202425 | -0.11 | Independent · Day · 6th | London, London | — |
| 70 | Ealing Independent College Period 202324 | -0.17 | Independent · Day · 6th | London, London | — |
| 71 | Maida Vale School Period 202425 | -0.22 | Independent · Day · 6th | Unknown, London | — |
| 72 | Bales College Period 202425 | -0.23 | Independent · Day · 6th | London, London | — |
| 73 | Madani Secondary Girls' School Period 202425 | -0.26 | Independent · Day · 6th | London, London | Good |
| 74 | Croydon Metropolitan College Period 202324 | -0.30 | Independent · Day · 6th | Croydon, London | Good |
| 75 | BRIT School for Performing Arts and Technology Period 202425 | -0.39 | Independent · Day · 6th | Croydon, London | — |