| American School in London | LONDON Middlesex, NW8 0NP | Map | Website |
| Box Hill School | DORKING Surrey, RH5 6EA | Map | Website |
| Chobham Academy | LONDON Greater London, E20 1BD | Map | Website |
| City of London School | LONDON Greater London, EC4V 3AL | Map | Website |
| Claremont Fan Court School | ESHER Surrey, KT10 9LY | Map | Website |
| DLD College London | LONDON Middlesex, SE1 7FX | Map | Website |
| Durston House | LONDON Middlesex, W5 2DR | Map | Website |
| Eaton Square Preparatory School | LONDON Middlesex, SW1V 1PP | Map | Website |
| Eaton Square Upper School | LONDON Greater London, W1J 7BU | Map | Website |
| Emanuel School | LONDON Surrey, SW11 1HS | Map | Website |
| Ewell Castle School | EPSOM Surrey, KT17 2AW | Map | Website |
| Farringtons School | CHISLEHURST Kent, BR7 6LR | Map | Website |
| Fulham Prep School | LONDON Middlesex, W14 9SD | Map | Website |
| Hampton School | HAMPTON Middlesex, TW12 3HD | Map | Website |
| Harrow School | HARROW-ON-THE-HILL Middlesex, HA1 3HP | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Hill House International Junior School | LONDON Middlesex, SW1X 0EP | Map | Website |
| Hurstmere Foundation School for Boys | SIDCUP Kent, DA15 9AW | Map | Website |
| Ibstock Place School | LONDON Surrey, SW15 5PY | Map | Website |
| Kew House School | BRENTFORD Middlesex, TW8 0EX | Map | Website |
| King's College School (KCS), Wimbledon | LONDON Surrey, SW19 4TT | Map | Website |
| King's House School | RICHMOND Surrey, TW10 6ES | Map | Website |
| Kingston Grammar School | KINGSTON-UPON-THAMES Surrey, KT2 6PY | Map | Website |
| Latymer Upper School | LONDON Greater London, W6 9LR | Map | Website |
| Lea Valley High School | ENFIELD Middlesex, EN3 6TW | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| Monks Walk School | WELWYN GARDEN CITY Hertfordshire, AL8 7NL | Map | Website |
| North Bridge House Prep School | LONDON Greater London, NW1 7AB | Map | Website |
| North Bridge House Senior and 6th Canonbury | LONDON Greater London, N1 2NQ | Map | Website |
| North Bridge House Senior Hampstead | LONDON Greater London, NW3 5UD | Map | Website |
| Notting Hill Preparatory School | LONDON Greater London, W11 1QQ | Map | Website |
| Princethorpe College | RUGBY Warwickshire, CV23 9PX | Map | Website |
| Radnor House Twickenham | TWICKENHAM Middlesex, TW1 4QG | Map | Website |
| Rokeby School, Surrey | KINGSTON UPON THAMES Surrey, KT2 7PB | 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 Columba's College | ST ALBANS Hertfordshire, AL3 4AW | Map | Website |
| St James Senior Boys' School | ASHFORD Middlesex, TW15 3DZ | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| The Falcons School for Boys | RICHMOND Surrey, TW9 2SS | Map | Website |
| The Harrodian School | LONDON Middlesex, SW13 9QN | Map | Website |
| The John Lyon School | HARROW Middlesex, HA2 0HN | Map | Website |
| Thomas's, Clapham | LONDON Surrey, SW11 6JZ | Map | Website |
| Tiffin School | KINGSTON-UPON-THAMES Surrey, KT2 6RL | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Westminster Cathedral Choir School | LONDON Middlesex, SW1P 1QH | Map | Website |
| Westminster City School | LONDON Middlesex, SW1E 5HJ | Map | Website |
| Westminster School | LONDON Middlesex, SW1P 3PF | Map | Website |
| Wetherby Preparatory School | LONDON Greater London, W1H 2EA | Map | Website |
