| 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 |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Broomwood Hall School | LONDON Middlesex, SW12 8NR | 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 |
| Claremont Fan Court School | ESHER Surrey, KT10 9LY | Map | Website |
| Colfe's School | LONDON Kent, SE12 8AW | Map | Website |
| Downsend School | LEATHERHEAD Surrey, KT22 8TJ | 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 |
| Grey Court School | RICHMOND Surrey, TW10 7HN | Map | Website |
| Hampton School | HAMPTON Middlesex, TW12 3HD | Map | Website |
| Harris Academy Wimbledon | London, SW19 2JY | Map | Website |
| Harris City Academy Crystal Palace | LONDON Surrey, SE19 2JH | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | 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 |
| John Fisher School | PURLEY Surrey, CR8 3YP | 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 |
| Kingston Grammar School | KINGSTON-UPON-THAMES Surrey, KT2 6PY | Map | Website |
| Latymer Upper School | LONDON Greater London, W6 9LR | Map | Website |
| London Enterprise Academy | LONDON Greater London, E1 1RD | Map | Website |
| North Bridge House Senior and 6th Canonbury | LONDON Greater London, N1 2NQ | Map | Website |
| North London Collegiate School | EDGWARE Middlesex, HA8 7RJ | Map | Website |
| Old Vicarage School | RICHMOND Surrey, TW10 6QX | Map | Website |
| Orchard House School | LONDON Greater London, W4 1LB | Map | Website |
| Parmiter's School | WATFORD Hertfordshire, WD25 0UU | Map | Website |
| Portland Place School | LONDON Greater London, W1B 1NJ | Map | Website |
| Prospect House School | LONDON Greater London, SW15 3NT | Map | Website |
| Radnor House Twickenham | TWICKENHAM Middlesex, TW1 4QG | Map | Website |
| Reed's School | COBHAM Surrey, KT11 2ES | Map | Website |
| Reigate Grammar School | REIGATE Surrey, RH2 0QS | Map | Website |
| RGS, Guildford | GUILDFORD Surrey, GU1 3BB | Map | Website |
| Richmond Park Academy | LONDON Greater London, SW14 8RG | Map | Website |
| Riddlesdown Collegiate | PURLEY Surrey, CR8 1EX | 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 |
| St Benedict's School | LONDON Middlesex, W5 2ES | Map | Website |
| St Catherine's School | TWICKENHAM Middlesex, TW1 4QJ | Map | Website |
| St George's Weybridge | ADDLESTONE Surrey, KT15 2QS | Map | Website |
| St James Senior Boys' School | ASHFORD Middlesex, TW15 3DZ | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| Streatham & Clapham High School | LONDON Greater London, SW16 1AW | 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 |
| Trinity School, Croydon | CROYDON Surrey, CR9 7AT | Map | Website |
| Westminster School | LONDON Middlesex, SW1P 3PF | Map | Website |
| Wetherby Senior School | LONDON Greater London, W1U 2QB | Map | Website |
| Wimbledon College | WIMBLEDON Surrey, SW19 4NS | Map | Website |
| Wimbledon High School | LONDON Greater London, SW19 4AB | Map | Website |
| Woldingham School | WOLDINGHAM Surrey, CR3 7YA | Map | Website |
