| Aldenham School | BOREHAMWOOD Hertfordshire, WD6 3AJ | Map | Website |
| Arnold House School | LONDON Middlesex, NW8 0LH | Map | Website |
| Berkhamsted School | BERKHAMSTED Hertfordshire, HP4 2BB | Map | Website |
| Broomwood Boys | LONDON Greater London, SW11 6EL | Map | Website |
| City of London School | LONDON Greater London, EC4V 3AL | Map | Website |
| Dulwich Prep London | LONDON Surrey, SE21 7AA | Map | Website |
| Eaton House The Manor Preparatory School | LONDON Middlesex, SW4 9RU | Map | Website |
| Fairley House School | LONDON Greater London, SW1P 4AU | Map | Website |
| Farringtons School | CHISLEHURST Kent, BR7 6LR | Map | Website |
| Frensham Heights School | FARNHAM Surrey, GU10 4EA | Map | Website |
| Fulham School | LONDON Middlesex, W14 9SD | Map | Website |
| Garden House School | LONDON Middlesex, SW3 4TW | Map | Website |
| Great Walstead School | HAYWARDS HEATH Sussex, RH16 2QL | Map | Website |
| Hereward House School | LONDON Middlesex, NW3 4NY | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Hill House International Junior School | LONDON Middlesex, SW1X 0EP | Map | Website |
| Hornsby House School | LONDON Middlesex, SW12 8RS | Map | Website |
| James Allen's Girls' School (JAGS) | LONDON Surrey, SE22 8TE | Map | Website |
| Parsons Green Prep School | LONDON Greater London, SW6 4LJ | Map | Website |
| Royal Russell School | CROYDON Surrey, CR9 5BX | Map | Website |
| St Anthony's School for Boys | LONDON Middlesex, NW3 6NP | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| Sussex House School | LONDON Greater London, SW1X 0EA | Map | Website |
| The Hall | LONDON Middlesex, NW3 4NU | Map | Website |
| The Harrodian School | LONDON Middlesex, SW13 9QN | Map | Website |
| Thomas's, Clapham | LONDON Surrey, SW11 6JZ | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Westminster Abbey Choir School | LONDON Greater London, SW1P 3PA | Map | Website |
| Wetherby Kensington | KENSINGTON London, SW5 0JN | Map | Website |
| Wetherby Preparatory School | LONDON Greater London, W1H 2EA | Map | Website |
| Wetherby Pre-Prep School | LONDON Greater London, W2 4ED | Map | Website |
