| 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 |
| American School in London | LONDON Middlesex, NW8 0NP | Map | Website |
| Ardingly College | HAYWARDS HEATH Sussex, RH17 6SQ | Map | Website |
| Ark Burlington Danes Academy | LONDON Middlesex, W12 0HR | Map | Website |
| Bishop Challoner Catholic Federation of Schools - Boys | LONDON Middlesex, E1 0EB | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Cambridge University | CAMBRIDGE Cambridgeshire, CB3 9BN | tbc | Website |
| Carshalton Boys Sports College | CARSHALTON Surrey, SM5 1RW | Map | Website |
| Charterhouse | GODALMING Surrey, GU7 2DX | Map | Website |
| City of London School for Girls | LONDON Middlesex, EC2Y 8BB | Map | Website |
| DLD College London | LONDON Middlesex, SE1 7FX | Map | Website |
| Dulwich College | LONDON Surrey, SE21 7LD | Map | Website |
| Emanuel School | LONDON Surrey, SW11 1HS | Map | Website |
| Eton College | WINDSOR Berkshire, SL4 6DW | Map | Website |
| Forest School | LONDON Greater London, E17 3PY | Map | Website |
| Francis Holland School, Regent's Park | MARYLEBONE London, NW1 6XR | Map | Website |
| Francis Holland School, Sloane Square | LONDON Middlesex, SW1W 8JF | Map | Website |
| Greig City Academy | LONDON Greater London, N8 7NU | Map | Website |
| Haberdashers' Elstree Schools | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| Haileybury | HERTFORD Hertfordshire, SG13 7NU | Map | Website |
| Harris Westminster Sixth Form | LONDON Greater London, SW1H 9LH | Map | Website |
| Harrow School | HARROW-ON-THE-HILL Middlesex, HA1 3HP | Map | Website |
| Highgate School | London, N6 4AY | Map | Website |
| King Edward's Witley | GODALMING Surrey, GU8 5SG | Map | Website |
| Kingston Grammar School | KINGSTON-UPON-THAMES Surrey, KT2 6PY | Map | Website |
| Lancing College | LANCING Sussex, BN15 0RW | Map | Website |
| Latymer Upper School | LONDON Greater London, W6 9LR | Map | Website |
| Merchant Taylors' School, Northwood | NORTHWOOD Middlesex, HA6 2HT | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| North Bridge House Senior Hampstead | LONDON Greater London, NW3 5UD | Map | Website |
| North London Collegiate School | EDGWARE Middlesex, HA8 7RJ | Map | Website |
| Oasis Academy South Bank | LONDON Greater London, SE1 7HS | Map | Website |
| Oxford University | OXFORD Oxfordshire, OX4 | tbc | Website |
| Parmiter's School | WATFORD Hertfordshire, WD25 0UU | Map | Website |
| Queen's Gate School | LONDON Middlesex, SW7 5LE | Map | Website |
| RGS, Guildford | GUILDFORD Surrey, GU1 3BB | Map | Website |
| Royal Russell School | CROYDON Surrey, CR9 5BX | Map | Website |
| Salesian School | CHERTSEY Surrey, KT16 9LU | Map | Website |
| Sevenoaks School | SEVENOAKS Kent, TN13 1HU | Map | Website |
| South Hampstead High School | LONDON Greater London, NW3 5SS | Map | Website |
| St Benedict's School | LONDON Middlesex, W5 2ES | Map | Website |
| St Dunstan's College | LONDON Kent, SE6 4TY | Map | Website |
| St John's School, Leatherhead | LEATHERHEAD Surrey, KT22 8SP | Map | Website |
| St Olave's Grammar School, Kent | ORPINGTON Kent, BR6 9SH | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| The Godolphin & Latymer School | LONDON Greater London, W6 0PG | Map | Website |
| The John Lyon School | HARROW Middlesex, HA2 0HN | Map | Website |
| The Latymer School | LONDON Middlesex, N9 9TN | Map | Website |
| Tonbridge School | TONBRIDGE Kent, TN9 1JP | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Whitgift School | SOUTH CROYDON Surrey, CR2 6YT | Map | Website |
| Woodbridge High School | WOODFORD GREEN Essex, IG8 7DQ | Map | Website |
