| 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 |
| Baylis Court School | SLOUGH Berkshire, SL1 3AH | Map | Website |
| Berkhamsted School | BERKHAMSTED Hertfordshire, HP4 2BB | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Brighton College | BRIGHTON Sussex, BN2 0AL | Map | Website |
| Buckswood School | GUESTLING Sussex, TN35 4LT | Map | Website |
| Cardinal Vaughan Memorial School | LONDON Middlesex, W14 8BZ | Map | Website |
| Channing School | LONDON Middlesex, N6 5HF | 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 |
| Dame Alice Owens School | POTTERS BAR Hertfordshire, EN6 2DU | Map | Website |
| Eaton Square Upper School | LONDON Greater London, W1J 7BU | Map | Website |
| Elstree School | READING Berkshire, RG7 5TD | Map | Website |
| Emanuel School | LONDON Surrey, SW11 1HS | Map | Website |
| Epsom College | EPSOM Surrey, KT17 4JQ | Map | Website |
| Eton College | WINDSOR Berkshire, SL4 6DW | Map | Website |
| Forest School | LONDON Greater London, E17 3PY | Map | Website |
| Framlingham College | WOODBRIDGE Suffolk, IP13 9EY | Map | Website |
| Francis Holland School, Sloane Square | LONDON Middlesex, SW1W 8JF | Map | Website |
| Fulham Boys School | LONDON London, SW6 5BD | Map | Website |
| Gordon's School | WOKING Surrey, GU24 9PT | Map | Website |
| Grey Court School | RICHMOND Surrey, TW10 7HN | Map | Website |
| Gunnersbury Catholic School | BRENTFORD Middlesex, TW8 9LB | Map | Website |
| Haileybury | HERTFORD Hertfordshire, SG13 7NU | Map | Website |
| Hampton School | HAMPTON Middlesex, TW12 3HD | Map | Website |
| Harris Academy Battersea | LONDON Hampshire, SW11 5AP | Map | Website |
| Harris Academy Wimbledon | London, SW19 2JY | 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 |
| 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 |
| Lady Eleanor Holles | HAMPTON Middlesex, TW12 3HF | Map | Website |
| Latymer Upper School | LONDON Greater London, W6 9LR | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| North London Collegiate School | EDGWARE Middlesex, HA8 7RJ | Map | Website |
| Notting Hill and Ealing High School | LONDON Greater London, W13 8AX | Map | Website |
| Putney High School | LONDON Surrey, SW15 6BH | Map | Website |
| Reed's School | COBHAM Surrey, KT11 2ES | Map | Website |
| Reigate Grammar School | REIGATE Surrey, RH2 0QS | Map | Website |
| Richmond Upon Thames School | TWICKENHAM Middlesex, TW2 7SJ | Map | Website |
| Saint Cecilia's Church of England School | London, SW18 5JR | Map | Website |
| South Hampstead High School | LONDON Greater London, NW3 5SS | Map | Website |
| St Benedict's School | LONDON Middlesex, W5 2ES | Map | Website |
| St Columba's College | ST ALBANS Hertfordshire, AL3 4AW | Map | Website |
| St Edmund's College, Ware | WARE Hertfordshire, SG11 1DS | Map | Website |
| St George's Weybridge | ADDLESTONE Surrey, KT15 2QS | Map | Website |
| St John's School, Leatherhead | LEATHERHEAD Surrey, KT22 8SP | Map | Website |
| St Mary's School Ascot | ASCOT Berkshire, SL5 9JF | Map | Website |
| St Paul's Girls' School | LONDON Middlesex, W6 7BS | Map | Website |
| Stoke Newington School & Sixth Form | LONDON Middlesex, N16 9EY | Map | Website |
| Streatham & Clapham High School | LONDON Greater London, SW16 1AW | Map | Website |
| Surbiton High School | KINGSTON-UPON-THAMES Surrey, KT1 2JT | Map | Website |
| The Godolphin & Latymer School | LONDON Greater London, W6 0PG | Map | Website |
| The Harrodian School | LONDON Middlesex, SW13 9QN | Map | Website |
| The John Lyon School | HARROW Middlesex, HA2 0HN | Map | Website |
| The Windsor Boys' School | WINDSOR Berkshire, SL4 5EH | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Wellington College | CROWTHORNE Berkshire, RG45 7PU | Map | Website |
| Wetherby Senior School | LONDON Greater London, W1U 2QB | Map | Website |
| Whitgift School | SOUTH CROYDON Surrey, CR2 6YT | Map | Website |
| Wimbledon College | WIMBLEDON Surrey, SW19 4NS | Map | Website |
| Wimbledon High School | LONDON Greater London, SW19 4AB | Map | Website |
