| 126 | Wisbech Grammar School | 593 pupils | Independent · Boarding · 6th | Cambridgeshire, East of England | — ISI · Good |
| 127 | Mount Kelly | 583 pupils | Independent · Boarding · 6th | Tavistock, South West | — ISI · Good |
| 128 | Kew House | 554 pupils | Independent · Day · 6th | London, London | — ISI · Good |
| 129 | Felsted School | 1,002 pupils | Independent · Boarding · 6th | Felsted, East of England | — ISI · Good |
| 130 | Wellington School | 861 pupils | Independent · Boarding · 6th | Wellington, South West | — |
| 131 | Hurstpierpoint College | 1,317 pupils | Independent · Boarding · 6th | Hassocks, South East | — ISI · Good |
| 132 | Redmaids' High School | 794 pupils | Independent · Day · 6th | Bristol, South West | — ISI · Good |
| 133 | Plymouth College | 511 pupils | Independent · Boarding · 6th | Unknown, South West | — ISI · Good |
| 134 | Kingswood School | 894 pupils | Independent · Boarding · 6th | Bath, South West | — ISI · Good |
| 135 | Trent College | 1,113 pupils | Independent · Boarding · 6th | Nottingham, East Midlands | — |
| 136 | Pocklington School | 730 pupils | Independent · Boarding · 6th | York, Yorkshire and the Humber | — ISI · Good |
| 137 | Leicester Grammar School Trust | 1,282 pupils | Independent · Day · 6th | Leicester, East Midlands | — ISI · Good |
| 138 | Ratcliffe College | 916 pupils | Independent · Boarding · 6th | Unknown, East Midlands | — ISI · Good |
| 139 | Durham Cathedral Schools Foundation | 740 pupils | Independent · Boarding · 6th | Unknown, North East | — ISI · Good |
| 140 | Sheffield High School GDST | 713 pupils | Independent · Day · 6th | Sheffield, Yorkshire and the Humber | — ISI · Good |
| 141 | Whitgift School | 1,517 pupils | Independent · Boarding · 6th | Unknown, London | — ISI · Good |
| 142 | Rossall School | 829 pupils | Independent · Boarding · 6th | Fleetwood, North West | — ISI · Good |
| 143 | St Edmund's College | 791 pupils | Independent · Boarding · 6th | Ware, East of England | — |
| 144 | The King's School | 1,253 pupils | Independent · Day · 6th | Worcestershire, West Midlands | — |
| 145 | Millfield School | 1,283 pupils | Independent · Boarding · 6th | Street, South West | — ISI · Good |
| 146 | Ellesmere College | 518 pupils | Independent · Boarding · 6th | Ellesmere, West Midlands | — ISI · Good |
| 147 | Blackheath High School GDST | 741 pupils | Independent · Day · 6th | Unknown, London | — ISI · Good |
| 148 | Ackworth School | 428 pupils | Independent · Boarding · 6th | West Yorkshire, Yorkshire and the Humber | — ISI · Good |
| 149 | Bury Grammar Schools | 1,278 pupils | Independent · Day · 6th | Bury, North West | — ISI · Good |
| 150 | Reed's School | 838 pupils | Independent · Boarding · 6th | Cobham, South East | — ISI · Good |