| Aldenham School | BOREHAMWOOD Hertfordshire, WD6 3AJ | Map | Website |
| Alleyn's School | DULWICH London, SE22 8SU | Map | Website |
| Ardingly College | HAYWARDS HEATH Sussex, RH17 6SQ | Map | Website |
| Belmont First School | Harrow Middlesex, HA3 7JT | Map | tbc |
| Campion School, Essex | HORNCHURCH Essex, RM11 3BX | Map | Website |
| City of London Freemen's | ASHTEAD Surrey, KT21 1ET | Map | Website |
| Dr Challoner's Grammar School | AMERSHAM Buckinghamshire, HP6 5HA | Map | Website |
| Emanuel School | LONDON Surrey, SW11 1HS | Map | Website |
| Ewell Castle School | EPSOM Surrey, KT17 2AW | 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 |
| Fulham Boys School | LONDON Greater London, W14 9LY | 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 |
| 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 |
| Harvington Prep School | LONDON Middlesex, W5 2DS | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Ibstock Place School | LONDON Surrey, SW15 5PY | Map | Website |
| King's College School (KCS), Wimbledon | LONDON Surrey, SW19 4TT | Map | Website |
| King's House School | RICHMOND Surrey, TW10 6ES | 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 |
| LVS Ascot (Licensed Victuallers') | ASCOT Berkshire, SL5 8DR | Map | Website |
| Magdalen College School | OXFORD Oxfordshire, OX4 1DZ | Map | Website |
| Merchant Taylors' School, Northwood | NORTHWOOD Middlesex, HA6 2HT | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| North London Collegiate School | EDGWARE Middlesex, HA8 7RJ | Map | Website |
| Northampton School for Boys | NORTHAMPTON Northamptonshire, NN1 5RT | Map | Website |
| Northwood College for Girls | NORTHWOOD Middlesex, HA6 2YE | Map | Website |
| Notting Hill and Ealing High School | LONDON Greater London, W13 8AX | Map | Website |
| Orleans Park School | TWICKENHAM Middlesex, TW1 3BB | Map | Website |
| Orley Farm School | HARROW-ON-THE-HILL Middlesex, HA1 3NU | Map | Website |
| Pangbourne College | READING Berkshire, RG8 8LA | Map | Website |
| Queenswood School | HATFIELD Hertfordshire, AL9 6NS | Map | Website |
| Robert Clack School | DAGENHAM Essex, RM8 1JU | Map | Website |
| Saint Cecilia's Church of England School | London, SW18 5JR | Map | Website |
| Shiplake College | HENLEY-ON-THAMES Oxfordshire, RG9 4BW | Map | Website |
| South Hampstead High School | LONDON Greater London, NW3 5SS | Map | Website |
| St Albans School | ST ALBANS Hertfordshire, AL3 4HB | Map | Website |
| St Augustine's Priory School | LONDON Middlesex, W5 2JL | Map | Website |
| St Benedict's Junior School | LONDON Middlesex, W5 2XP | Map | Website |
| St Edward's School, Oxford | OXFORD Oxfordshire, OX2 7NN | 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 Beaumont School | OLD WINDSOR Berkshire, SL4 2JN | Map | Website |
| St John's School, Leatherhead | LEATHERHEAD Surrey, KT22 8SP | Map | Website |
| St John's School, Northwood | NORTHWOOD Middlesex, HA6 3QY | Map | Website |
| St Mary's School Ascot | ASCOT Berkshire, SL5 9JF | Map | Website |
| St Paul's Girls' School | LONDON Middlesex, W6 7BS | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| Streatham & Clapham High School | LONDON Greater London, SW16 1AW | Map | Website |
| The Godolphin & Latymer School | LONDON Greater London, W6 0PG | Map | Website |
| The Harrodian School | LONDON Middlesex, SW13 9QN | Map | Website |
| Tiffin School | KINGSTON-UPON-THAMES Surrey, KT2 6RL | Map | Website |
| Tormead School | GUILDFORD Surrey, GU1 2JD | Map | Website |
| Unicorn School | RICHMOND Surrey, TW9 3JX | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Waldegrave School for Girls | TWICKENHAM Middlesex, TW2 5LH | Map | Website |
| Wellington College | CROWTHORNE Berkshire, RG45 7PU | Map | Website |
| West London Free School | LONDON Greater London, W6 9LP | Map | Website |
| Westminster City School | LONDON Middlesex, SW1E 5HJ | Map | Website |
| Westminster School | LONDON Middlesex, SW1P 3PF | Map | Website |
| Wetherby Senior School | LONDON Greater London, W1U 2QB | Map | Website |
| Whitgift School | SOUTH CROYDON Surrey, CR2 6YT | Map | Website |
| Wimbledon High School | LONDON Greater London, SW19 4AB | Map | Website |
