| Abingdon School | ABINGDON Oxfordshire, OX14 1DE | Map | Website |
| Alleyn's School | DULWICH London, SE22 8SU | Map | Website |
| Beechen Cliff School | BATH Somerset, BA2 4RE | Map | Website |
| Berkhamsted School | BERKHAMSTED Hertfordshire, HP4 2BB | Map | Website |
| Birkenhead School | WIRRAL Cheshire, CH43 2JD | Map | Website |
| Brighton College | BRIGHTON Sussex, BN2 0AL | Map | Website |
| Bristol Free School (BFS) | BRISTOL Avon, BS10 6NJ | Map | Website |
| Campion School, Essex | HORNCHURCH Essex, RM11 3BX | Map | Website |
| Cardiff High School | CARDIFF Glamorgan, CF23 6WG | Map | Website |
| Caterham School | CATERHAM Surrey, CR3 6YA | Map | Website |
| Chislehurst and Sidcup Grammar School | SIDCUP Kent, DA15 9AG | Map | Website |
| Christ's Hospital | HORSHAM Sussex, RH13 7YP | Map | Website |
| City of London Freemen's | ASHTEAD Surrey, KT21 1ET | Map | Website |
| Clifton College | BRISTOL Avon, BS8 3JH | Map | Website |
| Coleg Sir Gar | LLANELLI Carmarthenshire, SA15 4DN | Map | Website |
| Cranleigh School | CRANLEIGH Surrey, GU6 8QQ | Map | Website |
| Cwmtawe Community School | SWANSEA Glamorgan, SA8 4EG | Map | Website |
| Denstone College | UTTOXETER Staffordshire, ST14 5HN | Map | Website |
| Duke of York's Royal Military School | DOVER Kent, CT15 5EQ | Map | Website |
| Dulwich College | LONDON Surrey, SE21 7LD | Map | Website |
| Eltham College | LONDON Kent, SE9 4QF | Map | Website |
| Emanuel School | LONDON Surrey, SW11 1HS | Map | Website |
| Epsom College | EPSOM Surrey, KT17 4JQ | Map | Website |
| Eton College | WINDSOR Berkshire, SL4 6DW | Map | Website |
| Gibraltar Schools | Gibraltar, | tbc | 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 |
| Guildford County School | GUILDFORD Surrey, GU2 4LU | Map | Website |
| Gunnersbury Catholic School | BRENTFORD Middlesex, TW8 9LB | Map | Website |
| Halliford School | SHEPPERTON Middlesex, TW17 9HX | Map | Website |
| Hampton School | HAMPTON Middlesex, TW12 3HD | Map | Website |
| Harris City Academy Crystal Palace | LONDON Surrey, SE19 2JH | Map | Website |
| Hurstpierpoint College | HASSOCKS Sussex, BN6 9JS | Map | Website |
| Ivybridge Community College | IVYBRIDGE Devon, PL21 0JA | Map | Website |
| John Hampden Grammar School | HIGH WYCOMBE Buckinghamshire, HP11 1SZ | Map | Website |
| King's College School (KCS), Wimbledon | LONDON Surrey, SW19 4TT | Map | Website |
| Langley Park School for Boys | BECKENHAM Kent, BR3 3BP | Map | Website |
| Leicester Grammar School | LEICESTER Leicestershire, LE8 9FL | Map | Website |
| London Oratory School | LONDON Middlesex, SW6 1RX | Map | Website |
| Marlborough College | MARLBOROUGH Wiltshire, SN8 1PA | Map | Website |
| New Hall School | CHELMSFORD Essex, CM3 3HS | Map | Website |
| Northampton School for Boys | NORTHAMPTON Northamptonshire, NN1 5RT | Map | Website |
| Oaklands College | ST ALBANS Hertfordshire, AL4 0JA | Map | Website |
| Overton Grange School | SUTTON Surrey, SM2 6TQ | Map | Website |
| Queen Elizabeth Grammar School (QEGS), Wakefield | WAKEFIELD Yorkshire, WF1 3QX | Map | Website |
| Ravens Wood School | BROMLEY Kent, BR2 8HP | Map | Website |
| Reed's School | COBHAM Surrey, KT11 2ES | Map | Website |
| RGS, Guildford | GUILDFORD Surrey, GU1 3BB | Map | Website |
| RGS, High Wycombe | HIGH WYCOMBE Buckinghamshire, HP13 6QT | Map | Website |
| Robert Clack School | DAGENHAM Essex, RM8 1JU | Map | Website |
| Royal Alexandra & Albert School | REIGATE Surrey, RH2 0TD | Map | Website |
| Rutlish School | LONDON Surrey, SW20 9AD | Map | Website |
| Skinners' School | TUNBRIDGE WELLS Kent, TN4 9PG | Map | Website |
| St Benedict's School | LONDON Middlesex, W5 2ES | Map | Website |
| St Cyres School | PENARTH Glamorgan, CF64 2XP | Map | Website |
| St James Senior Boys' School | ASHFORD Middlesex, TW15 3DZ | Map | Website |
| St Joseph's College, Ipswich | IPSWICH Suffolk, IP2 9DR | Map | Website |
| St Olave's Grammar School, Kent | ORPINGTON Kent, BR6 9SH | Map | Website |
| St Paul's Catholic College, Sunbury | SUNBURY-ON-THAMES Middlesex, TW16 6NX | Map | Website |
| St Peter's School, York | YORK Yorkshire, YO30 6AB | Map | Website |
| The Ashcombe School | DORKING Surrey, RH4 1LY | Map | Website |
| The Crypt School | GLOUCESTER Gloucestershire, GL2 5AE | Map | Website |
| The Haberdashers' Aske's Boys' School | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| The Henley College | HENLEY-ON-THAMES Oxfordshire, RG9 1UH | Map | Website |
| Tiffin School | KINGSTON-UPON-THAMES Surrey, KT2 6RL | Map | Website |
| Tonbridge School | TONBRIDGE Kent, TN9 1JP | Map | Website |
| Trinity School, Croydon | CROYDON Surrey, CR9 7AT | Map | Website |
| Truro School | TRURO Cornwall, TR1 1TH | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Wallington County Grammar School | WALLINGTON Surrey, SM6 7PH | Map | Website |
| Warwick School | WARWICK Warwickshire, CV34 6PP | Map | Website |
| Waterloo RFC | LIVERPOOL Merseyside, L23 8TW | Map | Website |
| Watford Grammar School for Boys | WATFORD Hertfordshire, WD18 7JF | Map | Website |
| Wellington College | CROWTHORNE Berkshire, RG45 7PU | Map | Website |
| Whitgift School | SOUTH CROYDON Surrey, CR2 6YT | Map | Website |
| Wilson's School | WALLINGTON Surrey, SM6 9JW | Map | Website |
| Wimbledon College | WIMBLEDON Surrey, SW19 4NS | Map | Website |
| Wirral Grammar School for Boys | WIRRAL Cheshire, CH63 3AQ | Map | Website |
| Ysgol Gyfun Gymraeg Bro Edern | CARDIFF South Wales, CF23 9DT | Map | Website |
