| 26 | New Hall School Period 202122 | 45.4 | Independent · Boarding · 6th | Chelmsford, East of England | — |
| 27 | Bedford School Period 202425 | 44.9 | Independent · Boarding · 6th | Bedford, East of England | — |
| 28 | Gresham's School Period 202122 | 44.6 | Independent · Boarding · 6th | Unknown, East of England | — |
| 29 | OneSchool Global UK - Biggleswade Campus Period 202122 | 43.8 | Independent · Day · 6th | Biggleswade, East of England | — |
| 30 | Bedford Girls' School Period 202122 | 43.6 | Independent · Day · 6th | Bedford, East of England | — |
| 31 | St Columba's College Period 202122 | 43.3 | Independent · Day · 6th | St Albans, East of England | — |
| 32 | King's Ely Period 202122 | 43.1 | Independent · Boarding · 6th | Ely, East of England | — |
| 33 | St Christopher School Period 202122 | 42.9 | Independent · Boarding · 6th | Letchworth Garden City, East of England | — |
| 34 | Kimbolton School Period 202324 | 42.7 | Independent · Boarding · 6th | Huntingdon, East of England | — |
| 35 | Ipswich High School Period 202223 | 42.7 | Independent · Boarding · 6th | Unknown, East of England | — |
| 36 | Felsted School Period 202122 | 42.5 | Independent · Boarding · 6th | Felsted, East of England | — |
| 37 | Tring Park School for the Performing Arts Period 202122 | 42.5 | Independent · Boarding · 6th | Tring, East of England | — |
| 38 | Thetford Grammar School Period 202122 | 42.4 | Independent · Boarding · 6th | Unknown, East of England | — |
| 39 | OneSchool Global UK - Swaffham Campus Period 202122 | 42.3 | Independent · Day · 6th | Swaffham, East of England | — |
| 40 | St Margaret's School Period 202122 | 42.1 | Independent · Boarding · 6th | Bushey, East of England | — |
| 41 | Cambridge Arts and Sciences (CATS and CSVPA) Period 202324 | 42.1 | Independent · Boarding · 6th | Cambridge, East of England | — |
| 42 | The Purcell School Period 202122 | 41.0 | Independent · Boarding · 6th | Unknown, East of England | — |
| 43 | Framlingham College Period 202122 | 41.0 | Independent · Boarding · 6th | Woodbridge, East of England | — |
| 44 | Royal Hospital School Period 202122 | 40.7 | Independent · Boarding · 6th | Ipswich, East of England | — |
| 45 | Wisbech Grammar School Period 202122 | 40.3 | Independent · Boarding · 6th | Cambridgeshire, East of England | — |
| 46 | Mander Portman Woodward Period 202122 | 40.3 | Independent · Day · 6th | Cambridge, East of England | — |
| 47 | Culford School Period 202324 | 40.2 | Independent · Boarding · 6th | Bury St. Edmunds, East of England | — |
| 48 | St Edmund's College Period 202425 | 40.2 | Independent · Boarding · 6th | Ware, East of England | — |
| 49 | The Peterborough School Period 202324 | 39.6 | Independent · Day · 6th | Peterborough, East of England | — |
| 50 | Bury Park Educational Institute (Al - Hikmah Secondary School) Period 202122 | 39.6 | Independent · Day · 6th | LUTON, East of England | — |