| 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 |
| Arnold House School | LONDON Middlesex, NW8 0LH | Map | Website |
| Bancroft's School | WOODFORD GREEN Essex, IG8 0RF | Map | Website |
| Bedford Modern School | BEDFORD Bedfordshire, MK41 7NT | Map | Website |
| Bedford School | BEDFORD Bedfordshire, MK40 2TU | Map | Website |
| Bishop Challoner School, Bromley | BROMLEY Kent, BR2 0BS | Map | Website |
| Bishop Justus Church of England School | BROMLEY Kent, BR2 8HZ | Map | Website |
| Bishop Thomas Grant School | LONDON Greater London, SW16 2HY | Map | Website |
| Blackheath Nursery & Preparatory School | LONDON Kent, SE3 0NJ | Map | Website |
| Bolton School Boys Division | BOLTON Lancashire, BL1 4PA | Map | Website |
| Bournemouth Collegiate School (BCS) | BOURNEMOUTH Dorset, BH5 2DY | Map | Website |
| Box Hill School | DORKING Surrey, RH5 6EA | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Brighton College | BRIGHTON Sussex, BN2 0AL | Map | Website |
| Chigwell School | CHIGWELL Essex, IG7 6QF | Map | Website |
| Christ's College Finchley | LONDON Middlesex, N2 0SE | Map | Website |
| City Heights E-ACT Academy | LONDON Greater London, SW2 3PW | Map | Website |
| Colfe's School | LONDON Kent, SE12 8AW | Map | Website |
| Cothill House | ABINGDON Oxfordshire, OX13 6JL | Map | Website |
| Davenies Preparatory School | BEACONSFIELD Buckinghamshire, HP9 1AA | Map | Website |
| Deptford Green School | LONDON Kent, SE14 6LQ | Map | Website |
| DLD College London | LONDON Middlesex, SE1 7FX | Map | Website |
| Dulwich College | LONDON Surrey, SE21 7LD | Map | Website |
| Dulwich Hamlet Junior School | London Greater London, SE21 7AL | tbc | tbc |
| Dulwich Prep London | LONDON Surrey, SE21 7AA | Map | Website |
| Eltham College | LONDON Kent, SE9 4QF | Map | Website |
| Emanuel School | LONDON Surrey, SW11 1HS | Map | Website |
| Ernest Bevin College | LONDON Surrey, SW17 7DF | Map | Website |
| Eton College | WINDSOR Berkshire, SL4 6DW | Map | Website |
| Farringtons School | CHISLEHURST Kent, BR7 6LR | Map | Website |
| Forest Hill School | LONDON Kent, SE23 2XN | Map | Website |
| Forest School | LONDON Greater London, E17 3PY | Map | Website |
| Graveney School | LONDON Middlesex, SW17 9BU | Map | Website |
| Greig City Academy | LONDON Greater London, N8 7NU | Map | Website |
| Haberdashers' Aske's Knights Academy | BROMLEY Kent, BR1 5EB | Map | Website |
| Hampton School | HAMPTON Middlesex, TW12 3HD | Map | Website |
| Harris Academy Beckenham | BECKENHAM Kent, BR3 3SJ | Map | Website |
| Harris Academy Orpington | ORPINGTON Kent, BR5 4LG | Map | Website |
| Hayes School | BROMLEY Kent, BR2 7DB | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Ibstock Place School | LONDON Surrey, SW15 5PY | Map | Website |
| Kemnal Technology College | SIDCUP Kent, DA14 5AA | Map | Website |
| Kimbolton School | HUNTINGDON Cambridgeshire, PE28 0EA | Map | Website |
| King's College School (KCS), Wimbledon | LONDON Surrey, SW19 4TT | 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 |
| Merchant Taylors' Prep (formerly Northwood Prep) | RICKMANSWORTH Hertfordshire, WD3 1LW | Map | Website |
| Mossbourne Community Academy | LONDON Essex, E5 8JY | Map | Website |
| Oakfield Preparatory School | LONDON Greater London, SE21 8HP | Map | Website |
| Prendergast Ladywell School | LONDON Middlesex, SE4 1SA | Map | Website |
| Queen Elizabeth's School, Barnet | BARNET Hertfordshire, EN5 4DQ | Map | Website |
| Ravens Wood School | BROMLEY Kent, BR2 8HP | Map | Website |
| Regent High School | LONDON Greater London, NW1 1RX | Map | Website |
| Rosemead Preparatory School | LONDON Greater London, SE21 8HZ | Map | Website |
| Royal Russell School | CROYDON Surrey, CR9 5BX | Map | Website |
| Sevenoaks School | SEVENOAKS Kent, TN13 1HU | Map | Website |
| Shrewsbury School | SHREWSBURY Shropshire, SY3 7BA | Map | Website |
| St Aloysius' College | LONDON Middlesex, N6 5LY | Map | Website |
| St Charles Catholic Sixth Form College | LONDON Middlesex, W10 6EY | Map | Website |
| St David's College | WEST WICKHAM Kent, BR4 0QS | Map | Website |
| St John's School, Leatherhead | LEATHERHEAD Surrey, KT22 8SP | Map | Website |
| St Mary Magdalene Academy | LONDON Greater London, N7 8PG | Map | Website |
| St Paul's Academy | ABBEY WOOD Greater London, SE2 9PX | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| Stepney Green School | LONDON Middlesex, E1 4SD | Map | Website |
| Stoke Newington School & Sixth Form | LONDON Middlesex, N16 9EY | Map | Website |
| Sutton Grammar School for Boys | SUTTON Surrey, SM1 4AS | Map | Website |
| TASIS The American School in England | THORPE Surrey, TW20 8TE | Map | Website |
| The Beacon School | AMERSHAM Buckinghamshire, HP6 5PF | Map | Website |
| The City of London Academy | LONDON Middlesex, SE1 5LA | Map | Website |
| The Haberdashers' Aske's Boys' School | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| The Hall | LONDON Middlesex, NW3 4NU | Map | Website |
| The John Lyon School | HARROW Middlesex, HA2 0HN | Map | Website |
| The Petchey Academy | LONDON Greater London, E8 2EY | Map | Website |
| The Ravensbourne School | BROMLEY Kent, BR2 9EH | Map | Website |
| Trinity School, Croydon | CROYDON Surrey, CR9 7AT | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Westminster School | LONDON Middlesex, SW1P 3PF | Map | Website |
| Westminster Under School | LONDON Middlesex, SW1P 2NN | Map | Website |
| Wetherby Preparatory School | LONDON Greater London, W1H 2EA | Map | Website |
| Wetherby Senior School | LONDON Greater London, W1U 2QB | Map | Website |
| Whitgift School | SOUTH CROYDON Surrey, CR2 6YT | Map | Website |
| Widford Lodge Preparatory School | CHELMSFORD Essex, CM2 9AN | Map | Website |
| Wilson's School | WALLINGTON Surrey, SM6 9JW | Map | Website |
