| ACS International School Cobham | COBHAM Surrey, KT11 1BL | Map | Website |
| Box Hill School | DORKING Surrey, RH5 6EA | Map | Website |
| Burnham Grammar School | BURNHAM Buckinghamshire, SL1 7HG | Map | Website |
| Cardiff High School | CARDIFF Glamorgan, CF23 6WG | Map | Website |
| Cardinal Vaughan Memorial School | LONDON Middlesex, W14 8BZ | Map | Website |
| Caterham School | CATERHAM Surrey, CR3 6YA | Map | Website |
| Charterhouse | GODALMING Surrey, GU7 2DX | Map | Website |
| Christ's Hospital | HORSHAM Sussex, RH13 7YP | Map | Website |
| Claremont Fan Court School | ESHER Surrey, KT10 9LY | Map | Website |
| Enfield Grammar School | ENFIELD Middlesex, EN2 6LN | Map | Website |
| Farringtons School | CHISLEHURST Kent, BR7 6LR | Map | Website |
| Fulham Boys School | LONDON Greater London, W14 9LY | Map | Website |
| Glyn School | EPSOM Surrey, KT17 1NB | 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 |
| Hampshire Collegiate School | ROMSEY Hampshire, SO51 6ZE | Map | Website |
| Hampton School | HAMPTON Middlesex, TW12 3HD | Map | Website |
| Holyport College | HOLYPORT Berkshire, SL6 3LE | Map | Website |
| Howard Of Effingham School | EFFINGHAM Surrey, KT24 5JR | 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 |
| Kingston Grammar School | KINGSTON-UPON-THAMES Surrey, KT2 6PY | Map | Website |
| Latymer Upper School | LONDON Greater London, W6 9LR | Map | Website |
| Leighton Park School | READING Berkshire, RG2 7ED | Map | Website |
| Lingfield College | LINGFIELD Surrey, RH7 6PN | Map | Website |
| London Oratory School | LONDON Middlesex, SW6 1RX | Map | Website |
| Long Close School | SLOUGH Berkshire, SL3 7LU | Map | Website |
| Lord Wandsworth College | HOOK Hampshire, RG29 1TB | Map | Website |
| LVS Ascot (Licensed Victuallers') | ASCOT Berkshire, SL5 8DR | Map | Website |
| Orleans Park School | TWICKENHAM Middlesex, TW1 3BB | Map | Website |
| Radnor House Twickenham | TWICKENHAM Middlesex, TW1 4QG | Map | Website |
| Reading School | READING Berkshire, RG1 5LW | Map | Website |
| Reigate College | REIGATE Surrey, RH2 0SD | Map | Website |
| Reigate Grammar School | REIGATE Surrey, RH2 0QS | Map | Website |
| Rokeby School, Surrey | KINGSTON UPON THAMES Surrey, KT2 7PB | Map | Website |
| Rutlish School | LONDON Surrey, SW20 9AD | Map | Website |
| Rydal Penrhos School | COLWYN BAY North Wales, LL29 7BT | Map | Website |
| Salesian College | FARNBOROUGH Hampshire, GU14 6PA | Map | Website |
| Salvatorian College | HARROW WEALD Middlesex, HA3 5DY | Map | Website |
| Shiplake College | HENLEY-ON-THAMES Oxfordshire, RG9 4BW | Map | Website |
| Sir William Borlase's Grammar School | MARLOW Buckinghamshire, SL7 2BR | Map | Website |
| St Bede's School, Surrey | REDHILL Surrey, RH1 2LQ | Map | Website |
| St Benedict's School | LONDON Middlesex, W5 2ES | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| The Cardinal Wiseman School | GREENFORD Middlesex, UB6 9AW | Map | Website |
| The Forest School, Winnersh | WOKINGHAM Berkshire, RG41 5NE | Map | Website |
| The Harrodian School | LONDON Middlesex, SW13 9QN | Map | Website |
| The Heathland School, Hounslow | HOUNSLOW Middlesex, TW4 5JD | Map | Website |
| The John Lyon School | HARROW Middlesex, HA2 0HN | Map | Website |
| The Mall School | TWICKENHAM Middlesex, TW2 5NQ | Map | Website |
| The Webber Independent School | MILTON KEYNES Buckinghamshire, MK14 6DP | Map | Website |
| The Windsor Boys' School | WINDSOR Berkshire, SL4 5EH | Map | Website |
| Trinity School, Croydon | CROYDON Surrey, CR9 7AT | Map | Website |
| Twickenham Preparatory School | HAMPTON Middlesex, TW12 2SA | Map | Website |
| Warden Park Academy | HAYWARDS HEATH Sussex, RH17 5DP | Map | Website |
| West London Free School | LONDON Greater London, W6 9LP | Map | Website |
| Wetherby Preparatory School | LONDON Greater London, W1H 2EA | Map | Website |
| Wetherby Senior School | LONDON Greater London, W1U 2QB | Map | Website |
| Weydon School | FARNHAM Surrey, GU9 8UG | Map | Website |
| Whitgift School | SOUTH CROYDON Surrey, CR2 6YT | Map | Website |
| Woking College | WOKING Surrey, GU22 9DL | Map | Website |
| Wren Academy | LONDON Middlesex, N12 9HB | Map | Website |
