| Ardingly College | HAYWARDS HEATH Sussex, RH17 6SQ | Map | Website |
| Battle Abbey School | BATTLE Sussex, TN33 0AD | Map | Website |
| Bedales School | PETERSFIELD Hampshire, GU32 2DG | Map | Website |
| Bethany School | CRANBROOK Kent, TN17 1LB | Map | Website |
| Bradfield College | BRADFIELD Berkshire, RG7 6AU | Map | Website |
| Brambletye Junior School | Redhill Surrey, RH1 6JX | tbc | tbc |
| Brambletye School | EAST GRINSTEAD Sussex, RH19 3PD | Map | Website |
| Brighton College | BRIGHTON Sussex, BN2 0AL | Map | Website |
| Brighton College Prep School | BRIGHTON Sussex, BN2 0EU | Map | Website |
| Buckswood School | GUESTLING Sussex, TN35 4LT | Map | Website |
| Cardinal Newman, Sussex | HOVE Sussex, BN3 6ND | Map | Website |
| Charterhouse | GODALMING Surrey, GU7 2DX | Map | Website |
| Christ's Hospital | HORSHAM Sussex, RH13 0LJ | Map | Website |
| City of London Freemen's | ASHTEAD Surrey, KT21 1ET | Map | Website |
| Claremont Preparatory School | ST LEONARDS-ON-SEA Sussex, TN37 7PW | Map | Website |
| Claremont Senior School | EAST SUSSEX Sussex, TN32 5UJ | Map | Website |
| Cranbrook School | CRANBROOK Kent, TN17 3JD | Map | Website |
| Cranleigh School | CRANLEIGH Surrey, GU6 8QQ | Map | Website |
| Cumnor House Sussex | HAYWARDS HEATH Sussex, RH17 7HT | Map | Website |
| Eastbourne College | EASTBOURNE Sussex, BN21 4JX | Map | Website |
| Epsom College | EPSOM Surrey, KT17 4JQ | Map | Website |
| Eton College | WINDSOR Berkshire, SL4 6DW | Map | Website |
| Farlington School | HORSHAM Sussex, RH12 3PN | Map | Website |
| Gordon's School | WOKING Surrey, GU24 9PT | Map | Website |
| Great Walstead School | HAYWARDS HEATH Sussex, RH16 2QL | Map | Website |
| Hampton School | HAMPTON Middlesex, TW12 3HD | Map | Website |
| Holmewood House School | TUNBRIDGE WELLS Kent, TN3 0EB | Map | Website |
| Hurstpierpoint College | HASSOCKS Sussex, BN6 9JS | Map | Website |
| Kingston Grammar School | KINGSTON-UPON-THAMES Surrey, KT2 6PY | Map | Website |
| Lancing College | LANCING Sussex, BN15 0RW | Map | Website |
| Lancing Prep at Hove | HOVE Sussex, BN3 6LU | Map | Website |
| Lewes Old Grammar School | LEWES Sussex, BN7 1XS | Map | Website |
| Lingfield College | LINGFIELD Surrey, RH7 6PN | Map | Website |
| Lingfield College Prep | LINGFIELD Surrey, RH7 6PH | Map | Website |
| Mayfield School | MAYFIELD Sussex, TN20 6PH | Map | Website |
| Michael Hall School | EAST GRINSTEAD Sussex, RH18 5JA | Map | Website |
| Millfield School | STREET Somerset, BA16 0YD | Map | Website |
| Ratton School | EASTBOURNE Sussex, BN21 2XR | Map | Website |
| Reed's School | COBHAM Surrey, KT11 2ES | Map | Website |
| Repton School | DERBY Derbyshire, DE65 6FH | Map | Website |
| Roedean School | BRIGHTON Sussex, BN2 5RQ | Map | Website |
| Rossall School | FLEETWOOD Lancashire, FY7 8JW | Map | Website |
| Royal Russell School | CROYDON Surrey, CR9 5BX | Map | Website |
| Seaford College | PETWORTH Sussex, GU28 0NB | Map | Website |
| Sevenoaks School | SEVENOAKS Kent, TN13 1HU | Map | Website |
| Shrewsbury School | SHREWSBURY Shropshire, SY3 7BA | Map | Website |
| Skippers Hill Manor Preparatory School | MAYFIELD Sussex, TN20 6HR | Map | Website |
| St Andrews CofE First School | Swaffham Norfolk, PE37 8LG | tbc | tbc |
| St Andrew's Prep, Eastbourne | EASTBOURNE Sussex, BN20 7RP | Map | Website |
| St Christopher's School | HOVE Sussex, BN3 4AD | Map | Website |
| St George's Weybridge | ADDLESTONE Surrey, KT15 2QS | Map | Website |
| St John's School, Leatherhead | LEATHERHEAD Surrey, KT22 8SP | Map | Website |
| St Michael's School, Kent | OTFORD Kent, TN14 5RY | Map | Website |
| St Teresa's Effingham | EFFINGHAM Surrey, RH5 6ST | Map | Website |
| Surbiton High School | KINGSTON-UPON-THAMES Surrey, KT1 2JT | Map | Website |
| Sutton Grammar School for Boys | SUTTON Surrey, SM1 4AS | Map | Website |
| Tonbridge School | TONBRIDGE Kent, TN9 1JP | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Vinehall School | ROBERTSBRIDGE Sussex, TN32 5JL | Map | Website |
| Wellington College | CROWTHORNE Berkshire, RG45 7PU | Map | Website |
| Westbourne House School | CHICHESTER Sussex, PO20 2BH | Map | Website |
| Whitgift School | SOUTH CROYDON Surrey, CR2 6YT | Map | Website |
| Wilson's School | WALLINGTON Surrey, SM6 9JW | Map | Website |
| Windlesham House School | PULBOROUGH Sussex, RH20 4AY | Map | Website |
| Woldingham School | WOLDINGHAM Surrey, CR3 7YA | Map | Website |
| Worth School | CRAWLEY Sussex, RH10 4SD | Map | Website |
| Worthing College | WORTHING Sussex, BN13 1NS | Map | Website |
