| ACS International School Cobham | COBHAM Surrey, KT11 1BL | Map | Website |
| Bournemouth Collegiate School (BCS) | BOURNEMOUTH Dorset, BH5 2DY | Map | Website |
| Box Hill School | DORKING Surrey, RH5 6EA | Map | Website |
| Chessington Community College | CHESSINGTON Surrey, KT9 2JS | Map | Website |
| Claremont Senior School | EAST SUSSEX Sussex, TN32 5UJ | Map | Website |
| Cothill House | ABINGDON Oxfordshire, OX13 6JL | Map | Website |
| Culford School | BURY ST EDMUNDS Suffolk, IP28 6TX | Map | Website |
| Elthorne Park High School | LONDON Greater London, W7 2AH | Map | Website |
| Emanuel School | LONDON Surrey, SW11 1HS | Map | Website |
| Ibstock Place School | LONDON Surrey, SW15 5PY | Map | Website |
| Kent College | CANTERBURY Kent, CT2 9DT | Map | Website |
| Kingston Grammar School | KINGSTON-UPON-THAMES Surrey, KT2 6PY | Map | Website |
| Latymer Upper School | LONDON Greater London, W6 9LR | Map | Website |
| London Oratory School | LONDON Middlesex, SW6 1RX | Map | Website |
| Maida Vale School | LONDON London, W9 3HR | Map | Website |
| North Bridge House Senior and 6th Canonbury | LONDON Greater London, N1 2NQ | Map | Website |
| Orleans Park School | TWICKENHAM Middlesex, TW1 3BB | Map | Website |
| Portland Place School | LONDON Greater London, W1B 1NJ | Map | Website |
| Radnor House Twickenham | TWICKENHAM Middlesex, TW1 4QG | Map | Website |
| St Aloysius RC School | London Greater London, NW1 1PS | tbc | tbc |
| St Benedict's School | LONDON Middlesex, W5 2ES | Map | Website |
| St Catherine's School | TWICKENHAM Middlesex, TW1 4QJ | Map | Website |
| St James Senior Boys' School | ASHFORD Middlesex, TW15 3DZ | Map | Website |
| St Richard Reynolds Catholic College | TWICKENHAM Middlesex, TW1 4LT | Map | Website |
| The City of London Academy | LONDON Middlesex, SE1 5LA | 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 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 |
| Trinity School, Croydon | CROYDON Surrey, CR9 7AT | Map | Website |
| Westminster School | LONDON Middlesex, SW1P 3PF | Map | Website |
| Wetherby Senior School | LONDON Greater London, W1U 2QB | Map | Website |
| William Perkin CofE High School | GREENFORD Middlesex, UB6 8PR | Map | Website |
