ACS Egham International School

ACS Hillingdon International School

Anglo European School

Ardingly College

Ashcroft Technology Academy

Bearsted Primary Academy

Bedford Girls’ School

Bedford School

Bexley Grammar School

Box Hill School

Bradfield College

Brentwood School

Bridgwater and Taunton College

British-Georgian Academy

Bristol Grammar School

British International School of Timisoara

Associate Member - Romania

Broadgreen International School

Bromsgrove School

Bryanston School

Buckswood School

CATS College Canterbury

Charterhouse

Cheltenham Ladies’ College

Cherry Orchard Primary Academy

Christ’s Hospital

Dallam School

Dane Court Grammar School

Dartford Grammar School

Dartford Primary Academy

Dover Christ Church Academy

Dwight School London

Eastcote Primary Academy

Ecole Jeannine Manuel, Lille

Associate Member - France

Ecole Jeannine Manuel, Paris

Associate Member - France

Ecole Jeannine Manuel UK

EF International Academy Oxford

EF International Academy Torquay

EIFA International School

Ellesmere College

Ermitage International School of France

Associate Member - France

Europa School UK

Exeter College

Fairview International School

Felsted School

Fettes College

Gems Modern Academy Dubai

Associate Member - United Arab Emirates

Genesis College

Associate Member - Romania

Gresham’s School

Guernsey Grammar School and Sixth Form Centre

Haileybury

Halcyon London International School

Hartley Primary Academy

Hartsdown Academy

Hastings School Madrid

Associate Member - Spain

Hautlieu School

Headington School

High Halstow Primary Academy

Hockerill Anglo-European College

Homewood School and Sixth Form Centre

Horsmonden Primary Academy

Hundred of Hoo (Primary)

Hundred of Hoo (Secondary)

Impington Village College

International Community School, London

International School of Geneva, Campus de la Châtaigneraie

Associate Member - Switzerland

International School of Geneva, Campus des Nations

Associate Member - Switzerland

International School of London

International School SEK Dublin

International Village Education

Jumeirah English Speaking School

Associate Member - United Arab Emirates

Kent College Canterbury

King Edward’s School, Birmingham

King Edward’s Witley

King Ethelbert School

King William’s College

King’s College School, Wimbledon

Knole Academy

Landmark International School

Langley Park Primary Academy

Leigh Academy Blackheath

Leigh Academy Rainham

Leighton Park

Lomond School

Longfield Academy

Lycee International de Londres Winston Churchill

Malvern College

Marden Primary Academy

Marymount International School London

Mascalls Academy

Molehill Primary Academy

Nord Anglia International School in Dublin

North London Collegiate School

Northfleet School for Girls

Northfleet Technology College

Oakham School

Oaks Primary Academy

Paddock Wood Primary Academy

Private Lomonosov School Nizhny Novgorod

Associate Member - Russia

Redmaids’ High School

Rossall School

Rugby School

Ryde School with Upper Chine

Scarborough College

Sevenoaks School

Sidcot School

Somerfield Academy

Associate Member - Bermuda

Southbank International School - Hampstead

Southbank International School - Kensington

Southbank International School - Westminster

St Andrew’s College

St Benedict’s Catholic High School

St Catherine’s British School

Associate Member - Greece

St Clare’s, Oxford

St Edward’s School, Oxford

St George’s School Windsor Castle

St Leonards School

Stationers’ Crown Woods Academy

Stoke & Allhallows Primary Academy

Stonyhurst College

Strood Academy

Swans International School

Associate Member - Spain

TASIS The American School in England

Taunton School

The Abbey School, Faversham

The Abbey School, Reading

The British School of Brussels

Associate Member - Belgium

The British School of Milan

Associate Member - Italy

The Godolphin and Latymer School

The Halley Academy

The International School of Aberdeen

The Leigh Academy

The Leigh UTC Academy

The Lenham School

The Malling School

The Portsmouth Grammar School

The Rochester Grammar School

The Royal Harbour Academy (The Ellington and Hereson School)

The Royal High School, Bath GDST

The Skinners’ Kent Academy

The Skinners’ Kent Primary School

The Stephen Perse Foundation

The Whitstable School

Tonbridge Grammar School

Tree Tops Primary Academy

Truro & Penwith College

UWC Atlantic College

Varndean College

Verdala International School

Associate Member - Malta

Warminster School

Warwick Academy

Associate Member - Bermuda

Wellington College

Westbourne School

Westminster Academy

Whitgift School

Wilmington Academy

Windermere School