| 26 | Old Buckenham Hall School | 190 pupils | Independent · Boarding | Ipswich, East of England | — ISI · Good |
| 27 | Brambletye School | 309 pupils | Independent · Boarding | East Grinstead, South East | — ISI · Good |
| 28 | Northbourne Park School | 171 pupils | Independent · Boarding | DEAL, South East | — ISI · Good |
| 29 | The Yarlet School | 134 pupils | Independent · Boarding | Stafford, West Midlands | — ISI · Good |
| 30 | Highfield and Brookham School | 448 pupils | Independent · Boarding | Unknown, South East | — ISI · Unsatisfactory |
| 31 | Kitebrook Preparatory School | 315 pupils | Independent · Boarding | Moreton-in-Marsh, South East | — |
| 32 | St Hugh's School | 174 pupils | Independent · Boarding | Woodhall Spa, East Midlands | — |
| 33 | The Elms School | 155 pupils | Independent · Boarding | Malvern, West Midlands | — ISI · Good |
| 34 | Beaudesert Park School | 332 pupils | Independent · Boarding | Stroud, South West | — ISI · Good |
| 35 | Hatherop Castle School | 280 pupils | Independent · Boarding | Gloucestershire, South West | — ISI · Good |
| 36 | Millfield Preparatory School | 471 pupils | Independent · Boarding | Glastonbury, South West | — ISI · Excellent |
| 37 | Hazlegrove Preparatory School | 377 pupils | Independent · Boarding | Yeovil, South West | — ISI · Excellent |
| 38 | West Hill Park School | 201 pupils | Independent · Boarding | Fareham, South East | — ISI · Excellent |
| 39 | The New Beacon School | 293 pupils | Independent · Boarding | Sevenoaks, South East | — |
| 40 | Heath Mount School | 505 pupils | Independent · Boarding | Hertford, East of England | — ISI · Good |
| 41 | Aldwickbury School | 368 pupils | Independent · Boarding | Unknown, East of England | — ISI · Good |
| 42 | Edgeborough School | 359 pupils | Independent · Boarding | Farnham, South East | — ISI · Good |
| 43 | Moulsford Preparatory School | 354 pupils | Independent · Boarding | Wallingford, South East | — ISI · Good |
| 44 | Amesbury School | 350 pupils | Independent · Boarding | Unknown, South East | — ISI · Good |
| 45 | Winchester House School | 338 pupils | Independent · Boarding | Unknown, East Midlands | — ISI · Good |
| 46 | Brockhurst and Marlston House Schools | 323 pupils | Independent · Boarding | Thatcham, South East | — ISI · Good |
| 47 | Prestfelde School | 322 pupils | Independent · Boarding | Shrewsbury, West Midlands | — ISI · Good |
| 48 | Port Regis Preparatory School | 317 pupils | Independent · Boarding | Shaftesbury, South West | — ISI · Good |
| 49 | Swanbourne House School | 309 pupils | Independent · Boarding | Milton Keynes, South East | — ISI · Good |
| 50 | Elstree School | 307 pupils | Independent · Boarding | Reading, South East | — ISI · Good |