| 401 | Kings London | 100 pupils | Independent · Boarding · 6th | London, London | — |
| 402 | Emmaus School | 59 pupils | Independent · Day | Trowbridge, South West | — ISI · Good |
| 403 | Felixstowe International College | 33 pupils | Independent · Boarding · 6th | Felixstowe, East of England | — ISI · Good |
| 404 | Bethany School | Good | Independent · Day | Sheffield, Yorkshire and the Humber | Good |
| 405 | St Edward's School | 257 pupils | Independent · Day · 6th | Cheltenham, South West | — |
| 406 | OneSchool Global UK - Swaffham Campus | 84 pupils | Independent · Day · 6th | Swaffham, East of England | — |
| 407 | Canbury School | 75 pupils | Independent · Day · 6th | Kingston upon Thames, London | — ISI · Good |
| 408 | Kirkstone House School | 115 pupils | Independent · Day | Peterborough, East Midlands | — ISI · Good |
| 409 | Earlscliffe (Sussex Summer Schools Ltd) | 123 pupils | Independent · Boarding · 6th | Folkestone, South East | — |
| 410 | Read Academy Education | Good | Independent · Day | Ilford, London | Good |
| 411 | Sands School | 73 pupils | Independent · Day · 6th | Newton Abbot, South West | — ISI · Good |
| 412 | Cherwell College Oxford | 28 pupils | Independent · Boarding · 6th | Oxford, South East | — ISI · Good |
| 413 | Trinity School | 296 pupils | Independent · Boarding · 6th | Unknown, South West | — |
| 414 | Emmanuel School | 70 pupils | Independent · Day · 6th | Walsall, West Midlands | — |
| 415 | St John's School | 280 pupils | Independent · Day | Unknown, East of England | — |
| 416 | T A S I S | 660 pupils | Independent · Boarding · 6th | Egham, South East | — |
| 417 | Holme Grange School | 730 pupils | Independent · Day | Wokingham, South East | — ISI · Unsatisfactory |
| 418 | St Josephs School | 222 pupils | Independent · Day | Cornwall, South West | — |
| 419 | The King's School | 236 pupils | Independent · Day | Hampshire, South East | — |
| 420 | The Alternative School | 152 pupils | Independent · Day · 6th | Accrington, North West | — ISI · Good |
| 421 | Normanton House School | Good | Independent · Day | Derby, East Midlands | Good |
| 422 | Hollygirt School | 212 pupils | Independent · Day | Nottingham, East Midlands | — ISI · Good |
| 423 | Hoe Bridge School | 545 pupils | Independent · Day | Surrey, South East | — ISI · Good |
| 424 | St Dominic's Priory School | 206 pupils | Independent · Day | Stone, West Midlands | — |
| 425 | Trinity School | 104 pupils | Independent · Day | Stalybridge, North West | — |