| ACS International School Cobham | COBHAM Surrey, KT11 1BL | Map | Website |
| Alleyn's School | DULWICH London, SE22 8SU | Map | Website |
| Beaconsfield High School | BEACONSFIELD Buckinghamshire, HP9 1RR | Map | Website |
| Box Hill School | DORKING Surrey, RH5 6EA | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Cardinal Vaughan Memorial School | LONDON Middlesex, W14 8BZ | Map | Website |
| Caterham School | CATERHAM Surrey, CR3 6YA | Map | Website |
| City of London Freemen's | ASHTEAD Surrey, KT21 1ET | Map | Website |
| City of London School | LONDON Greater London, EC4V 3AL | Map | Website |
| Colfe's School | LONDON Kent, SE12 8AW | Map | Website |
| Dame Alice Owens School | POTTERS BAR Hertfordshire, EN6 2DU | Map | Website |
| Emanuel School | LONDON Surrey, SW11 1HS | Map | Website |
| Enfield Grammar School | ENFIELD Middlesex, EN2 6LN | Map | Website |
| Epsom College | EPSOM Surrey, KT17 4JQ | Map | Website |
| Finchley Catholic High School | LONDON Middlesex, N12 8TA | Map | Website |
| Forest School | LONDON Greater London, E17 3PY | 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 |
| Gunnersbury Catholic School | BRENTFORD Middlesex, TW8 9LB | Map | Website |
| Halliford School | SHEPPERTON Middlesex, TW17 9HX | 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 |
| Howard Of Effingham School | EFFINGHAM Surrey, KT24 5JR | Map | Website |
| Ibstock Place School | LONDON Surrey, SW15 5PY | Map | Website |
| Isleworth and Syon Boys' 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 |
| Marylebone Cricket Club (MCC) | LONDON Greater London, NW8 8QN | Map | Website |
| Merchant Taylors' School, Northwood | NORTHWOOD Middlesex, HA6 2HT | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| Notting Hill and Ealing High School | LONDON Greater London, W13 8AX | Map | Website |
| Paarl Gimnasium | PAARL Western Cape, | Map | Website |
| Preston Manor High School | WEMBLEY Middlesex, HA9 8NA | Map | Website |
| Putney High School | LONDON Surrey, SW15 6BH | Map | Website |
| Queen Elizabeth's School, Barnet | BARNET Hertfordshire, EN5 4DQ | Map | Website |
| Queenswood School | HATFIELD Hertfordshire, AL9 6NS | Map | Website |
| Radnor House Twickenham | TWICKENHAM Middlesex, TW1 4QG | Map | Website |
| Reading Blue Coat School | READING Berkshire, RG4 6SU | Map | Website |
| Reed's School | COBHAM Surrey, KT11 2ES | Map | Website |
| Richmond Upon Thames School | TWICKENHAM Middlesex, TW2 7SJ | Map | Website |
| Royal Russell School | CROYDON Surrey, CR9 5BX | Map | Website |
| Saint Cecilia's Church of England School | London, SW18 5JR | Map | Website |
| Sevenoaks School | SEVENOAKS Kent, TN13 1HU | Map | Website |
| Sir William Borlase's Grammar School | MARLOW Buckinghamshire, SL7 2BR | 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 George's College, Weybridge | ADDLESTONE Surrey, KT15 2QS | Map | Website |
| St James Senior Boys' School | ASHFORD Middlesex, TW15 3DZ | 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 Michael's Catholic College | LONDON Greater London, SE16 4UN | Map | Website |
| St Paul's Girls' School | LONDON Middlesex, W6 7BS | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| St Teresa's Effingham | EFFINGHAM Surrey, RH5 6ST | 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 Grammar School for Boys | SUTTON Surrey, SM1 4AS | 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 |
| Thomas's, Battersea | LONDON Surrey, SW11 3JB | Map | Website |
| Tiffin Girls' School | KINGSTON-UPON-THAMES Surrey, KT2 5PL | Map | Website |
| Tormead School | GUILDFORD Surrey, GU1 2JD | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Wellington College | CROWTHORNE Berkshire, RG45 7PU | Map | Website |
| West London Free School | LONDON Greater London, W6 9LP | Map | Website |
| Westminster School | LONDON Middlesex, SW1P 3PF | Map | Website |
| Wetherby Senior School | LONDON Greater London, W1U 2QB | Map | Website |
| Wimbledon High School | LONDON Greater London, SW19 4AB | Map | Website |
