| Ardingly College
| Haywards Heath | West Sussex | 8th-Sixth Form | 8th-Sixth Form | Coed | 490 | Church of England |
| Box Hill School
| Dorking | Surrey | 6th-12th | 6th-12th | Coed | 425 | None |
| Brighton and Hove High School
| Brighton | East Sussex | PK-12th | none | Girls only | 425 | Non-Denominational Christian |
| Caterham School
| Caterham | Surrey | PK-Sixth Form | 6th-Sixth Form | Coed | 1100 | Non-Denominational Christian |
| Charterhouse
| Godalming | Surrey | 6th-Sixth Form | 6th-Sixth Form | Boys only | 800 | Church of England |
| Christ's Hospital
| Horsham | West Sussex | 6th-Sixth Form | 6th-Sixth Form | Coed | 815 | Church of England |
| City of London Freemen's School
| Ashtead | Surrey | 2nd-Sixth Form | 6th-Sixth Form | Coed | 850 | Non-Denominational Christian |
| Cranleigh School
| Cranleigh | Surrey | 1st-12th | 7th-12th | Coed | 600 | Church of England |
| Croydon High School
| South Croydon | Surrey | PK-Sixth Form | none | Girls only | 420 | Non-Denominational Christian |
| Epsom College
| Epsom | Surrey | 8th-Sixth Form | 8th-Sixth Form | Coed | 730 | Church of England |
| Guildford High School for Girls
| Guildford | Surrey | K-12th | none | Girls only | 640 | Non-Denominational Christian |
| Hurstpierpoint College
| Hassocks | West Sussex | PK-Sixth Form | 6th-Sixth Form | Coed | 595 | Church of England |
| Hurtwood House School
| Dorking | Surrey | 11th-Sixth Form | none | Coed | 325 | Non-Denominational Christian |
| Kent College
| Tunbridge Wells | Kent | PK-Sixth Form | 2nd-Sixth Form | Coed | 410 | Methodist |
| Lancing College
| Lancing | West Sussex | 8th-Sixth Form | 8th-Sixth Form | Coed | 525 | Church of England |
| Manor House School
| Leatherhead | Surrey | PK-11th | none | Coed | 190 | Non-Denominational Christian |
| Old Palace of John Whitgift School
| Croydon | Surrey | PK-Sixth Form | none | Girls only | 840 | Church of England |
| Reeds School
| Cobham | Surrey | 6th-Sixth Form | 6th-Sixth Form | Coed | 580 | Church of England |
| Reigate Grammar School
| Reigate | Surrey | PK-Sixth Form | none | Coed | 495 | Non-Denominational Christian |
| Roedean School
| Brighton | East Sussex | PK-Sixth Form | 8th-Sixth Form | Girls only | 375 | Church of England |
| Royal Grammar School Guildford
4.8/5
based on 2 student review(s) | Guildford | Surrey | 4th-12th | none | Boys only | 889 | Church of England |
| Seaford College
| Petworth | West Sussex | 5th-Sixth Form | 5th-Sixth Form | Coed | 610 | Church of England |
| Sevenoaks School
5/5
based on 1 student review(s) | Sevenoaks | Kent | 4th-12th | 4th-12th | Coed | 1020 | None |
| St. Bede's Senior School
| Hailsham | East Sussex | PK-Sixth Form | 7th-Sixth Form | Coed | 905 | Non-Denominational Christian |
| St. Catherine's School Guildford
| Guildford | Surrey | 1st-12th | 6th-12th | Girls only | 535 | Church of England |
| St. John's School Leatherhead
| Leatherhead | Surrey | 8th-Sixth Form | 8th-Sixth Form | Coed | 550 | Church of England |
| St. Leonards-Mayfield School
| Mayfield | East Sussex | 6th-Sixth Form | 6th-Sixth Form | Girls only | 400 | Roman Catholic |
| Tonbridge School
4.3/5
based on 3 student review(s) | Tonbridge | Kent | 6th-12th | 6th-12th | Boys only | 770 | Church of England |
| Tormead School
| Guildford | Surrey | PK-12th | none | Girls only | 760 | Non-Denominational Christian |
| Whitgift School
| South Croydon | Surrey | 5th-Sixth Form | none | Boys only | 1175 | Non-Denominational Christian |
| Woldingham School
| Woldingham | Surrey | 6th-Sixth Form | 6th-Sixth Form | Girls only | 530 | Roman Catholic |
| Worth School
| Crawley | West Sussex | 6th-Sixth Form | 6th-Sixth Form | Coed | 525 | Roman Catholic |