| 51 | Woodbridge School | 739 pupils | Independent · Boarding · 6th | Woodbridge, East of England | — ISI · Excellent |
| 52 | Bede's Senior School | 802 pupils | Independent · Boarding · 6th | Hailsham, South East | — ISI · Good |
| 53 | St Christopher School | 496 pupils | Independent · Boarding · 6th | Letchworth Garden City, East of England | — ISI · Good |
| 54 | Canford School | 646 pupils | Independent · Boarding · 6th | Wimborne, South West | — ISI · Good |
| 55 | Bradfield College | 834 pupils | Independent · Boarding · 6th | Bradfield, South East | — ISI · Good |
| 56 | Taunton School | 687 pupils | Independent · Boarding · 6th | Taunton, South West | — ISI · Good |
| 57 | Emmanuel College | 1,543 pupils | Independent · Day · 6th | Gateshead, North East | — ISI · Good |
| 58 | Lord Wandsworth College | 706 pupils | Independent · Boarding · 6th | Hook, South East | — ISI · Good |
| 59 | Cheltenham College | 1,178 pupils | Independent · Boarding · 6th | Cheltenham, South West | — ISI · Excellent |
| 60 | Warminster School | 513 pupils | Independent · Boarding · 6th | Warminster, South West | — ISI · Good |
| 61 | Ipswich School | 1,132 pupils | Independent · Boarding · 6th | Ipswich, East of England | — |
| 62 | Hereford Cathedral School With A Junior School | 571 pupils | Independent · Boarding · 6th | Hereford, West Midlands | — |
| 63 | Bristol Grammar School | 1,370 pupils | Independent · Day · 6th | Bristol, South West | — ISI · Excellent |
| 64 | Wisbech Grammar School | 593 pupils | Independent · Boarding · 6th | Cambridgeshire, East of England | — ISI · Good |
| 65 | Mount Kelly | 583 pupils | Independent · Boarding · 6th | Tavistock, South West | — ISI · Good |
| 66 | Kew House | 554 pupils | Independent · Day · 6th | London, London | — ISI · Good |
| 67 | Felsted School | 1,002 pupils | Independent · Boarding · 6th | Felsted, East of England | — ISI · Good |
| 68 | Wellington School | 861 pupils | Independent · Boarding · 6th | Wellington, South West | — |
| 69 | Hurstpierpoint College | 1,317 pupils | Independent · Boarding · 6th | Hassocks, South East | — ISI · Good |
| 70 | Plymouth College | 511 pupils | Independent · Boarding · 6th | Unknown, South West | — ISI · Good |
| 71 | Kingswood School | 894 pupils | Independent · Boarding · 6th | Bath, South West | — ISI · Good |
| 72 | Trent College | 1,113 pupils | Independent · Boarding · 6th | Nottingham, East Midlands | — |
| 73 | Pocklington School | 730 pupils | Independent · Boarding · 6th | York, Yorkshire and the Humber | — ISI · Good |
| 74 | Leicester Grammar School Trust | 1,282 pupils | Independent · Day · 6th | Leicester, East Midlands | — ISI · Good |
| 75 | Ratcliffe College | 916 pupils | Independent · Boarding · 6th | Unknown, East Midlands | — ISI · Good |