| 51 | Wells Cathedral School | 734 pupils | Independent · Boarding · 6th | Wells, South West | — ISI · Excellent |
| 52 | Kimbolton School | 1,071 pupils | Independent · Boarding · 6th | Huntingdon, East of England | — ISI · Good |
| 53 | Woldingham School | 534 pupils | Independent · Boarding · 6th | Caterham, South East | — ISI · Good |
| 54 | Dean Close School | 499 pupils | Independent · Boarding · 6th | Cheltenham, South West | — ISI · Good |
| 55 | New Hall School | 1,335 pupils | Independent · Boarding · 6th | Chelmsford, East of England | — ISI · Good |
| 56 | Warwick School | 1,250 pupils | Independent · Boarding · 6th | Warwick, West Midlands | — ISI · Good |
| 57 | Lancing College | 612 pupils | Independent · Boarding · 6th | Lancing, South East | — ISI · Good |
| 58 | Woodbridge School | 739 pupils | Independent · Boarding · 6th | Woodbridge, East of England | — ISI · Excellent |
| 59 | Bedford School | 1,070 pupils | Independent · Boarding · 6th | Bedford, East of England | — ISI · Good |
| 60 | Bede's Senior School | 802 pupils | Independent · Boarding · 6th | Hailsham, South East | — ISI · Good |
| 61 | St Christopher School | 496 pupils | Independent · Boarding · 6th | Letchworth Garden City, East of England | — ISI · Good |
| 62 | Canford School | 646 pupils | Independent · Boarding · 6th | Wimborne, South West | — ISI · Good |
| 63 | Bradfield College | 834 pupils | Independent · Boarding · 6th | Bradfield, South East | — ISI · Good |
| 64 | Taunton School | 687 pupils | Independent · Boarding · 6th | Taunton, South West | — ISI · Good |
| 65 | Lord Wandsworth College | 706 pupils | Independent · Boarding · 6th | Hook, South East | — ISI · Good |
| 66 | Cheltenham College | 1,178 pupils | Independent · Boarding · 6th | Cheltenham, South West | — ISI · Excellent |
| 67 | Warminster School | 513 pupils | Independent · Boarding · 6th | Warminster, South West | — ISI · Good |
| 68 | Ipswich School | 1,132 pupils | Independent · Boarding · 6th | Ipswich, East of England | — |
| 69 | Hereford Cathedral School With A Junior School | 571 pupils | Independent · Boarding · 6th | Hereford, West Midlands | — |
| 70 | Wisbech Grammar School | 593 pupils | Independent · Boarding · 6th | Cambridgeshire, East of England | — ISI · Good |
| 71 | Mount Kelly | 583 pupils | Independent · Boarding · 6th | Tavistock, South West | — ISI · Good |
| 72 | Felsted School | 1,002 pupils | Independent · Boarding · 6th | Felsted, East of England | — ISI · Good |
| 73 | Wellington School | 861 pupils | Independent · Boarding · 6th | Wellington, South West | — |
| 74 | Hurstpierpoint College | 1,317 pupils | Independent · Boarding · 6th | Hassocks, South East | — ISI · Good |
| 75 | Plymouth College | 511 pupils | Independent · Boarding · 6th | Unknown, South West | — ISI · Good |