Abbey College Manchester, ACG Auckland, Ackworth School, All Saints Anglican School, Appleby College, Bakersfield Christian High School, Battle Abbey School, Baylor University, Bedford High School for Girls, Bedford School for Boys, Beechwood Sacred Heart School, Bellerbys College Brighton, Bellerbys College Cambridge, Bellerbys College Oxford, Birmingham City University, Bishop Fenwick High School, Bond International College, Box Hill School, Bradford College, Braemar College, Brighton International College, Brockenhurst College, Bromsgrove International Summer School, Bromsgrove School, Bruton School for Girls, Burgess Hill School for Girls, Burnaby School District no. 41, Cambridge School of Visual & Performing Arts, Canberra Institute of Technology, Canning College, Cardiff Sixth Form College, Carrick Intuition, CATS College Cambridge, CATS College Canterbury, CATS College London, Central Florida Community College, Charles Wright Academy, Chelsea Independent College, Chichester College, Christ Church Grammar School, City and Islington College, Clifton College, Columbia International College, Comox Valley School District 71, Concord College, Coquitlam College, Coventry University, Curtin College, Curtin University, Deakin College, Deakin University, Delaware Community College, Dominion English School, d'Overbroeck's College, Earlscliffe College, Edith Cowan College, Edith Cowan University, Education University of Hong Kong, Eldorado Emerson School, Embassy CES, Embassy English Auckland, Epsom College, Etherton Education, Everett Community College, Fairmont School, Fraser International College, Friend's School, Glasgow International College, Goldsmiths University of London, Great Lakes Christian High School, Griffith University, Henderson High School, Hertfordshire International College, Holmewood House School, Humber College, Hwa Chong International School,International College of Manitoba, International College Portsmouth, International College RGU, International College Wales Swansea, INTO Exeter, INTO Newcastle, INTO UEA, Ipswich College, ISC Durham, ISC Keele, ISC Lancaster, ISC Leicester, ISC Lincoln, ISC LJMU, ISC Royal Holloway, ISC Sheffield, ISC Surrey, ISC Sussex, King's College London (KCL), Kings Education Bournemouth, Kings Education Brighton, Kings Education London, Kingsley School, Kingswood School, La Trobe Melbourne, Lancaster University, Langara College, Langley School District No.35, Lavant House School, Le Cordon Bleu Adelaide, Leeds Arts University, Lingnan University, Liston College, LIU Post, Liverpool International College, Liverpool John Moores University,  Llandovery College, Lutheran School of Flushing & Bayside School, LVS Ascot, Macleans College, Macquarie University, Manchester Metropolitan University, Manuka Institute of Technology, Mercury Bay Area School, Monash College, Monash University, Monte Vista Christian School, MPW Birmingham, MPW London, Murdoch Institute of Technology, Murdoch University, Navitas English, Nelson College for Girls, New Hall School, Newcastle International College, Newcastle University, Niagara Christian Community of School Canada, Northfield High School, Northumbria University, Nottingham Trent International College, ONCAMPUS Coventry, ONCAMPUS Sunderland, Otumoetai College, Oxford Brookes University, Palmerston North Boys' High School, Palmerston North Girls' High School, Perth International College of English, Plymouth Devon International College, Plymouth University, QIBT, Queens Margaret School, Queen's University Belfast,Queensland University of Technology, Rangitoto College, RMIT University, Robert Gordon University, Royal Holloway University of London, Royal Hospital School, SAIBT, Saint Felix School, Santa Monica Community College, Sedbergh School, Shebbear College, Shoreline Community College, SIBT, Sidcot School, Simon Fraser University, Southbank Institute of Technology, St. Bede's Summer School, St. Dominic's Catholic College, St Peter's School Cambridge, Stafford House English, Stover School, Sussex Downs College, Swansea University, Swinburne University of Technology, Syracuse University, TAFE NSW, TAFE Queensland, Talbot Heath School, Taunton School International, Taylors College Sydney, The Edge Learning Centre, The King's School Ely, The Park School, The Royal School Bath, University of Adelaide, University of Auckland, University of Brighton, University of Bristol, University of California Riverside, University of Canberra, University of East Anglia, University of Essex, University of Exeter, University of Glasgow, University of Hertfordshire, University of Keele, University of Leicester, University of Leeds, University of Lincoln, University of Liverpool, University of Manitoba, University of Massachusetts Lowell, University of Newcastle, University of Nottingham, University of Portsmouth, University of Queensland, University of Sheffield, University of South Australia, University of Sunderland, University of Surrey, University of Sussex, University of Sydney, University of Wollongong, UNSW Foundation Studies, UTS Insearch, Western Kentucky University, West Moreton Anglican College, Wall Street English,Wiltshire College, Woldingham School, Woodbridge School, Yew Chung International School of Hong Kong.