Trinity College London accredit teacher training courses worldwide. They are one of only three accrediting bodies recognised by the British Council and have a global reputation. At TEFL Lab London you can study for the Trinity Certificate in TESOL (CertTESOL) via a full-time (4-week) course or a part-time (12-week) course. This qualification is accredited in England by the Qualifications and Curriculum Authority at Level 5 of the National Qualifications Framework. It is your passport to teaching English at some of the best language schools in the world.