| 51 | Westbourne School | 53.7 compositeOfsted18.5 Att817.1 EM5+18.1 | Independent · Day | Unknown, Yorkshire and the Humber | — |
| 52 | Stafford Grammar School | 53.5 compositeOfsted13.5 AAB%2.2 VA10.8 Att812.3 EM5+14.7 | Independent · Day · 6th | Unknown, West Midlands | — |
| 53 | Ratcliffe College | 53.4 compositeOfsted13.5 AAB%5.5 VA12.0 Att810.1 EM5+12.4 | Independent · Boarding · 6th | Unknown, East Midlands | — |
| 54 | Brighton Girls GDST | 53.3 compositeOfsted13.5 AAB%3.9 VA10.0 Att812.5 EM5+13.4 | Independent · Day · 6th | Unknown, South East | — |
| 55 | Thornton College | 53.2 compositeOfsted13.5 AAB%5.6 VA10.3 Att812.4 EM5+11.3 | Independent · Boarding · 6th | Milton Keynes, South East | — |
| 56 | Radnor House Sevenoaks | 53.1 compositeOfsted13.5 AAB%3.7 VA11.0 Att810.4 EM5+14.5 | Independent · Day · 6th | Unknown, South East | — |
| 57 | Huddersfield Grammar School | 53.1 compositeOfsted18.5 Att816.7 EM5+17.9 | Independent · Day | Huddersfield, Yorkshire and the Humber | — |
| 58 | Hulme Grammar School | 53.0 compositeOfsted13.5 AAB%5.0 VA10.3 Att811.9 EM5+12.3 | Independent · Day · 6th | Oldham, North West | — |
| 59 | West Buckland School | 52.6 compositeOfsted13.5 AAB%5.1 VA10.7 Att810.8 EM5+12.4 | Independent · Boarding · 6th | Barnstaple, South West | — |
| 60 | Oneschool Global Uk Salisbury Campus | 52.5 compositeOfsted15.6 VA13.6 Att811.7 EM5+11.5 | Independent · Day · 6th | Salisbury, South West | — |
| 61 | Priory School | 52.2 compositeOfsted18.5 Att816.2 EM5+17.5 | Independent · Day · 6th | Unknown, West Midlands | — |
| 62 | Sherfield School | 52.1 compositeOfsted13.5 AAB%0.0 VA10.7 Att813.3 EM5+14.7 | Independent · Boarding · 6th | Hampshire, South East | — |
| 63 | Bethany School | 52.0 compositeOfsted13.9 Att817.0 EM5+21.1 | Independent · Day | Sheffield, Yorkshire and the Humber | Good |
| 64 | St Nicholas' School | 52.0 compositeOfsted18.5 Att815.9 EM5+17.5 | Independent · Day | Fleet, South East | — |
| 65 | Tayyibah Girls' School | 51.9 compositeOfsted13.9 Att816.9 EM5+21.1 | Independent · Day · 6th | London, London | Good |
| 66 | Hydesville Tower School | 51.8 compositeOfsted18.5 Att815.8 EM5+17.5 | Independent · Day | Unknown, West Midlands | — |
| 67 | Shrewsbury High School GDST | 51.5 compositeOfsted13.5 AAB%2.2 VA9.5 Att813.1 EM5+13.3 | Independent · Day · 6th | Unknown, West Midlands | — |
| 68 | North London Grammar School | 51.5 compositeOfsted18.5 Att815.2 EM5+17.8 | Independent · Boarding · 6th | London, London | — |
| 69 | St John's Preparatory and Senior School | 51.4 compositeAAB%3.9 VA11.6 Att815.7 EM5+20.2 | Independent · Day · 6th | Potters Bar, London | — |
| 70 | Colchester Prep & High School | 51.3 compositeOfsted18.5 Att816.7 EM5+16.1 | Independent · Day | Colchester, East of England | — |
| 71 | Jameah Academy | 51.2 compositeOfsted18.5 Att815.5 EM5+17.2 | Independent · Day | Leicester, East Midlands | — |
| 72 | Brentwood School | 51.0 compositeOfsted13.5 AAB%3.5 VA13.7 Att86.2 EM5+14.1 | Independent · Boarding · 6th | Brentwood, East of England | — |
| 73 | St James Senior Boys' School | 50.6 compositeOfsted13.5 AAB%3.1 VA9.6 Att811.6 EM5+12.8 | Independent · Day · 6th | Ashford, South East | — |
| 74 | Cardiff Sixth Form College, Cambridge | 50.6 composite | Independent · Boarding · 6th | Unknown, East of England | — |
| 75 | Putney High School GDST | 50.4 compositeOfsted18.0 AAB%12.3 VA10.8 Att89.4 EM5+0.0 | Independent · Day · 6th | Unknown, London | — |