| 251 | Valley Park School | 1,595 pupils | Academy · Day · 6th | Maidstone, South East | — |
| 252 | The Hazeley Academy | 1,590 pupils | Academy · Day · 6th | Milton Keynes, South East | — |
| 253 | Imberhorne School | 1,573 pupils | State · Day · 6th | East Grinstead, South East | — |
| 254 | Towers School and Sixth Form Centre | 1,559 pupils | Academy · Day · 6th | Ashford, South East | — |
| 255 | Felpham Community College | 1,557 pupils | State · Day · 6th | Bognor Regis, South East | — |
| 256 | Furze Platt Senior School | 1,547 pupils | Academy · Day · 6th | Maidenhead, South East | — |
| 257 | Highdown School and Sixth Form Centre | 1,545 pupils | Academy · Day · 6th | Reading, South East | — |
| 258 | Hillview School for Girls | 1,544 pupils | Academy · Day · 6th | Tonbridge, South East | — |
| 259 | Highworth Grammar School | 1,543 pupils | Grammar · Day · 6th | Ashford, South East | — |
| 260 | St John the Baptist Catholic Comprehensive School, Woking | 1,541 pupils | Academy · Day · 6th | Woking, South East | — |
| 261 | Warden Park Secondary Academy | 1,538 pupils | Academy · Day | Haywards Heath, South East | — |
| 262 | The Howard School | 1,534 pupils | Academy · Day · 6th | Gillingham, South East | — |
| 263 | All Hallows Catholic School | 1,514 pupils | Academy · Day · 6th | Farnham, South East | — |
| 264 | The Ashcombe School | 1,513 pupils | Academy · Day · 6th | Dorking, South East | — |
| 265 | The Bulmershe School | 1,506 pupils | Academy · Day · 6th | Reading, South East | — |
| 266 | The Judd School | 1,499 pupils | Grammar · Day · 6th | Tonbridge, South East | — |
| 267 | Gravesend Grammar School | 1,493 pupils | Grammar · Day · 6th | Gravesend, South East | — |
| 268 | Crestwood Community School | 1,489 pupils | State · Day | Eastleigh, South East | — |
| 269 | Oriel High School | 1,478 pupils | State · Day · 6th | Crawley, South East | — |
| 270 | Rosebery School | 1,476 pupils | Academy · Day · 6th | Epsom, South East | — |
| 271 | Garth Hill College | 1,474 pupils | State · Day · 6th | Bracknell, South East | — |
| 272 | The Winston Churchill School A Specialist Sports College | 1,471 pupils | State · Day | Woking, South East | — |
| 273 | The Mountbatten School | 1,458 pupils | Academy · Day | Romsey, South East | — |
| 274 | Bexhill High Academy | 1,454 pupils | Academy · Day | Bexhill-on-Sea, South East | — |
| 275 | Seaford Head School | 1,448 pupils | Academy · Day · 6th | Seaford, South East | — |