| ACS International School Cobham | COBHAM Surrey, KT11 1BL | Map | Website |
| Aldenham School | BOREHAMWOOD Hertfordshire, WD6 3AJ | Map | Website |
| Alleyn's School | DULWICH London, SE22 8SU | Map | Website |
| Box Hill School | DORKING Surrey, RH5 6EA | Map | Website |
| Bradfield College | BRADFIELD Berkshire, RG7 6AU | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Caterham School | CATERHAM Surrey, CR3 6YA | Map | Website |
| Charterhouse | GODALMING Surrey, GU7 2DX | Map | Website |
| City of London Freemen's | ASHTEAD Surrey, KT21 1ET | Map | Website |
| City of London School | LONDON Greater London, EC4V 3AL | Map | Website |
| City of London School for Girls | LONDON Middlesex, EC2Y 8BB | Map | Website |
| Claires Court School | MAIDENHEAD Berkshire, SL6 6AW | Map | Website |
| Claremont Fan Court School | ESHER Surrey, KT10 9LY | Map | Website |
| Dulwich College | LONDON Surrey, SE21 7LD | Map | Website |
| Dunottar School | REIGATE Surrey, RH2 7EL | Map | Website |
| Emanuel School | LONDON Surrey, SW11 1HS | Map | Website |
| Epsom College | EPSOM Surrey, KT17 4JQ | Map | Website |
| Ernest Bevin College | LONDON Surrey, SW17 7DF | Map | Website |
| Ewell Castle School | EPSOM Surrey, KT17 2AW | Map | Website |
| Fulham Boys School | LONDON London, SW6 5BD | Map | Website |
| Fulham Prep School | LONDON Middlesex, W14 9SD | Map | Website |
| Gordon's School | WOKING Surrey, GU24 9PT | Map | Website |
| Grey Court School | RICHMOND Surrey, TW10 7HN | Map | Website |
| Hall School Wimbledon | LONDON Greater London, SW20 8HF | Map | Website |
| Halliford School | SHEPPERTON Middlesex, TW17 9HX | Map | Website |
| Hampton School | HAMPTON Middlesex, TW12 3HD | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Hurlingham School | LONDON Middlesex, SW15 2NQ | Map | Website |
| Hurstpierpoint College | HASSOCKS Sussex, BN6 9JS | Map | Website |
| Ibstock Place School | LONDON Surrey, SW15 5PY | Map | Website |
| Isleworth and Syon School | ISLEWORTH Middlesex, TW7 5LJ | Map | Website |
| James Allen's Girls' School (JAGS) | LONDON Surrey, SE22 8TE | Map | Website |
| Kew College | RICHMOND Surrey, TW9 3HQ | Map | Website |
| Kew House School | BRENTFORD Middlesex, TW8 0EX | Map | Website |
| King's College School (KCS), Wimbledon | LONDON Surrey, SW19 4TT | Map | Website |
| Kingsdale Foundation School | LONDON Surrey, SE21 8SQ | Map | Website |
| Kingston Grammar School | KINGSTON-UPON-THAMES Surrey, KT2 6PY | Map | Website |
| Latymer Upper School | LONDON Greater London, W6 9LR | Map | Website |
| Lingfield College | LINGFIELD Surrey, RH7 6PN | Map | Website |
| Old Vicarage School | RICHMOND Surrey, TW10 6QX | Map | Website |
| Portland Place School | LONDON Greater London, W1B 1NJ | Map | Website |
| Prior's Field School | GODALMING Surrey, GU7 2RH | Map | Website |
| Prospect House School | LONDON Greater London, SW15 3NT | Map | Website |
| Putney High School | LONDON Surrey, SW15 6BH | Map | Website |
| Radnor House Twickenham | TWICKENHAM Middlesex, TW1 4QG | Map | Website |
| Reigate Grammar School | REIGATE Surrey, RH2 0QS | Map | Website |
| Royal Russell School | CROYDON Surrey, CR9 5BX | Map | Website |
| Rutlish School | LONDON Surrey, SW20 9AD | Map | Website |
| Saint Cecilia's Church of England School | London, SW18 5JR | Map | Website |
| Salesian College | FARNBOROUGH Hampshire, GU14 6PA | Map | Website |
| St Benedict's School | LONDON Middlesex, W5 2ES | Map | Website |
| St George's Weybridge | ADDLESTONE Surrey, KT15 2QS | Map | Website |
| St James Senior Boys' School | ASHFORD Middlesex, TW15 3DZ | Map | Website |
| St John's School, Leatherhead | LEATHERHEAD Surrey, KT22 8SP | Map | Website |
| Streatham & Clapham High School | LONDON Greater London, SW16 1AW | Map | Website |
| Surbiton High School | KINGSTON-UPON-THAMES Surrey, KT1 2JT | Map | Website |
| Thames Christian College | LONDON Greater London, SW11 2HB | Map | Website |
| The Harrodian School | LONDON Middlesex, SW13 9QN | Map | Website |
| The John Lyon School | HARROW Middlesex, HA2 0HN | Map | Website |
| Tiffin Girls' School | KINGSTON-UPON-THAMES Surrey, KT2 5PL | Map | Website |
| Tiffin School | KINGSTON-UPON-THAMES Surrey, KT2 6RL | Map | Website |
| Tower House School | LONDON Middlesex, SW14 8LF | Map | Website |
| Wallington High School for Girls | WALLINGTON Surrey, SM6 0PH | Map | Website |
| Westminster School | LONDON Middlesex, SW1P 3PF | Map | Website |
| Wetherby Senior School | LONDON Greater London, W1U 2QB | Map | Website |
| Wilson's School | WALLINGTON Surrey, SM6 9JW | Map | Website |
| Woldingham School | WOLDINGHAM Surrey, CR3 7YA | Map | Website |
