| Alleyn's School | DULWICH London, SE22 8SU | Map | Website |
| Berkhamsted School | BERKHAMSTED Hertfordshire, HP4 2BB | Map | Website |
| Broomwood Hall School | LONDON Middlesex, SW12 8NR | Map | Website |
| Caterham School | CATERHAM Surrey, CR3 6YA | Map | Website |
| Christ's Hospital | HORSHAM Sussex, RH13 7YP | Map | Website |
| City of London Freemen's | ASHTEAD Surrey, KT21 1ET | Map | Website |
| City of London School | LONDON Greater London, EC4V 3AL | Map | Website |
| Dolphin School | LONDON Middlesex, SW11 6QW | Map | Website |
| Donhead, Wimbledon College Preparatory | WIMBLEDON Surrey, SW19 4NP | Map | Website |
| Dulwich College | LONDON Surrey, SE21 7LD | Map | Website |
| Dulwich Prep London | LONDON Surrey, SE21 7AA | Map | Website |
| Dunottar School | REIGATE Surrey, RH2 7EL | Map | Website |
| Epsom College | EPSOM Surrey, KT17 4JQ | Map | Website |
| Ewell Castle School | EPSOM Surrey, KT17 2AW | Map | Website |
| Fairley House School | LONDON Greater London, SW1P 4AU | Map | Website |
| Farnborough Hill | FARNBOROUGH Hampshire, GU14 8AT | Map | Website |
| Francis Holland School, Sloane Square | LONDON Middlesex, SW1W 8JF | Map | Website |
| Glyn School | EPSOM Surrey, KT17 1NB | Map | Website |
| Gordon's School | WOKING Surrey, GU24 9PT | Map | Website |
| Grey Court School | RICHMOND Surrey, TW10 7HN | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Holyport College | HOLYPORT Berkshire, SL6 3LE | Map | Website |
| Honeywell Junior School | LONDON Greater London, SW11 6EF | Map | Website |
| Hurlingham School | LONDON Middlesex, SW15 2NQ | Map | Website |
| Ibstock Place School | LONDON Surrey, SW15 5PY | Map | Website |
| James Allen's Girls' School (JAGS) | LONDON Surrey, SE22 8TE | 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 Oratory School | LONDON Middlesex, SW6 1RX | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| North London Collegiate School | EDGWARE Middlesex, HA8 7RJ | Map | Website |
| Old Vicarage School | RICHMOND Surrey, TW10 6QX | Map | Website |
| Putney High School | LONDON Surrey, SW15 6BH | 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 |
| Royal Russell School | CROYDON Surrey, CR9 5BX | Map | Website |
| Shiplake College | HENLEY-ON-THAMES Oxfordshire, RG9 4BW | Map | Website |
| St Albans High School for Girls | ST ALBANS Hertfordshire, AL1 3SJ | Map | Website |
| St Benedict's School | LONDON Middlesex, W5 2ES | Map | Website |
| St Dunstan's College | LONDON Kent, SE6 4TY | Map | Website |
| St Faiths CofE Primary School | London Greater London, SW18 1AF | tbc | tbc |
| St George's College, Weybridge | ADDLESTONE Surrey, KT15 2QS | Map | Website |
| St John's Beaumont School | OLD WINDSOR Berkshire, SL4 2JN | Map | Website |
| St John's School, Leatherhead | LEATHERHEAD Surrey, KT22 8SP | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| Streatham & Clapham High School | LONDON Greater London, SW16 1AW | Map | Website |
| Surbiton High School | KINGSTON-UPON-THAMES Surrey, KT1 2JT | Map | Website |
| Sutton Valence School | MAIDSTONE Kent, ME17 3HL | Map | Website |
| The Cedars School | CROYDON Surrey, CR0 5RD | Map | Website |
| The Falcons School for Boys | RICHMOND Surrey, TW9 2SS | Map | Website |
| The Harrodian School | LONDON Middlesex, SW13 9QN | Map | Website |
| The Roche School | LONDON Greater London, SW18 1HW | Map | Website |
| The Study Preparatory School | WIMBLEDON COMMON Greater London, SW19 4UN | Map | Website |
| Thomas's, Battersea | LONDON Surrey, SW11 3JB | Map | Website |
| Thomas's, Clapham | LONDON Surrey, SW11 6JZ | Map | Website |
| Tiffin Girls' School | KINGSTON-UPON-THAMES Surrey, KT2 5PL | Map | Website |
| Tiffin School | KINGSTON-UPON-THAMES Surrey, KT2 6RL | Map | Website |
| Tormead School | GUILDFORD Surrey, GU1 2JD | Map | Website |
| Trinity School, Croydon | CROYDON Surrey, CR9 7AT | Map | Website |
| West Hill Primary School | London Greater London, SW18 5ST | tbc | tbc |
| Westminster School | LONDON Middlesex, SW1P 3PF | Map | Website |
| Westminster Under School | LONDON Middlesex, SW1P 2NN | 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 |
