K
　　Keele University
　　Kensington and Chelsea College
　　Kent School of English
　　King's School of English, Bournemouth (incorporating King's Junior School)
　　King's School of English, London
　　King's School Oxford
　　Kingston College
　　Kingsway English Centre for Professionals

　　L
　　Lake School of English Oxford
　　Language Link
　　The Language Project
　　Language Specialists International
　　Language Studies International, Cambridge
　　Language Studies International, Hove
　　Language Studies International, London
　　Language Studies International, London Central
　　Languages Plus/Sprachcaffe
　　Leeds Metropolitan University
　　Leicester Square School of English
　　Lewis School of English
　　Lewisham College
　　Lines Languages Ltd
　　Linguarama, Bath
　　Linguarama, London
　　Linguarama, Stratford-upon-Avon
　　Liverpool Community College
　　Liverpool Hope University
　　London Guildhall University
　　London House School of English
　　The London Institute
　　London Meridian College
　　The London School of English
　　London Study Centre
　　LTC International College
　　Lydbury English Centre

　　M
　　Malvern House
　　Manchester Academy of English
　　Manchester College of Arts & Technology (MANCAT)
　　Margate Language Centre
　　Mayfair School of English
　　Mayfield Academy of English
　　Mayflower College of English
　　Meads School of English
　　Melton College
　　Mercator Language School
　　Meridian School of English
　　Middlesbrough College
　　Millfield English Language School
　　Milner School of English, Wimbledon
　　M.L.S. International College
　　MM Oxford Study Service
　　Multi Lingua

　　N
　　New College Nottingham
　　The New School of English
　　Newbold College
　　Newcastle College
　　North East Surrey College of Technology (NESCOT)
　　Norwich Institute for Languages Education (NILE)
　　Northbrook College
　　Norwich Institute for Language Education (NILE)
　　Nottingham Trent University

　　O
　　Oaklands College
　　OISE Intensive Language Schools, Cambridge
　　OISE Intensive Language Schools, Oxford
　　OISE Intensive Language Schools, Young Language Schools
　　Olivet English Language School
　　Our World English Schools
　　Oxford Brookes University, ICELS
　　Oxford and Cherwell College
　　The Oxford English Centre
　　Oxford House College
　　Oxford House School of English
　　Oxford School of English

　　P
　　Padworth College
　　Park House Training
　　Park Lane College
　　Parkland International Language School
　　Pembrokeshire College
　　Perth College Language School
　　Peterborough Regional College
　　Pilgrims (year round)
　　Pilgrims (summer multicentres)
　　Polyglot Language Centre

　　Q
　　Queen Mary, University of London

　　R
　　Randolph School of English
　　Reading College and School of Arts & Design
　　Regent Brighton
　　Regent Cambridge
　　Regent Edinburgh
　　Regent Fitzroy
　　Regent Language Holidays
　　Regent Language Homestay
　　Regent London
　　Regent Oxford
　　Regent Trebinshun
　　Richard Language College
　　Richmond Adult Community College
　　Richmond The American International University in London
　　Richmond Upon Thames College

　　S
　　Salisbury College
　　The Salisbury School of English
　　Scanbrit School of English
　　Scarborough International School
　　School of English Studies Folkstone
　　Select English Cambridge
　　Select English (Formally Angloschool)
　　Sels College
　　Severnvale Academy
　　Shakespeare School of English at Warwickshire College
　　Shane Global Village, London
　　Shane Global Village, Vacation courses
　　Shane Global Village, Bromley
　　The Sheffield College
　　Sheffield Hallam University TESOL Centre
　　Sidmouth International School
　　South Leicestershire College
　　South Thames College, London
　　Southbourne School of English
　　Southgate College
　　Southwark College
　　St Bede's International Summer School
　　St Brelade's College
　　St Clare's, Oxford
　　St Edmund's College
　　St George international
　　St Giles College, Brighton
　　St Giles College, Eastbourne
　　St Giles College, London Central
　　St Giles College, London Highgate
　　St James Academy
　　St John's Wood School of English
　　St Michael's College
　　St Patrick's International College
　　St Peter's School of English
　　Stafford House College and School of English
　　Stafford House Study Holidays
　　Stanton School of English
　　Stevenson College
　　The Stratford-upon-Avon School of English Studies
　　Students International
　　Studio Cambridge(Year Round Centre)
　　Studio Cambridge Young Learners
　　SuperStudy UK
　　Sussex Downs College
　　Sussex English Language School
　　Suzanne Sparrow Plymouth Language School
　　The Swan School of English, Oxford
　　Swandean School of English, Wimbledon
　　Swandean School of English, Worthing

　　T
　　Taunton International Study Centre
　　Thames Valley Cultural Centres
　　Thanet College
　　Thurrock & Basildon College
　　Torbay Language Centre
　　Torquay International School
　　Totnes School of English
　　Tresham Institute
　　Twin English Centre Eastbourne
　　Twin English Centre Salisbury

　　U
　　UCL Language Centre
　　United International College
　　Universal Language Services
　　University College Chichester
　　University College Northanpton
　　The University College of St Mark and St John
　　University of Birmingham
　　University of Brighton
　　University of Dundee, Centre for Applied Language Studies
　　University of East Anglia
　　University of Edinburgh
　　University of Leeds Language Centre
　　University of Luton
　　University of Manchester
　　University of Portsmouth Language Centre
　　University of Salford
　　University of Sheffield
　　University of Ulster, CELT (Centre for English Language Teaching)
　　University of Wales, Aberystwyth Language and Learning Centre
　　University of Wales, Swansea, CALS (Centre for Applied Language Studies)
　　University of Westminster
　　University of Wolverhampton
　　Uxbridge College

　　V
　　Vacational Studies
　　Victoria School of English

　　W
　　Waltham Forest College
　　Wessex Academy School of English
　　West Cheshire College
　　West Sussex School of English
　　Westbourne Academy
　　Westminster Kingsway College
　　Wigan and Leigh College
　　South Leicestershire College
　　Wimbledon School of English
　　Winchester School of English
　　Wirral Metropolitan College
　　Witan Hall International College
　　Y
　　YES Education Centre