Teaching English to Speakers of Other Languages

Trinity’s English language teaching qualifications are designed to support teachers throughout their careers — from early practitioner to experienced professional. Our highly respected professional development suite includes:

  • Certificate in TESOL (CertTESOL)
  • Diploma in TESOL (DipTESOL)
  • Certificate for Practising Teachers (CertPT)
  • Trinity Teach English Online


The Trinity Certificate in TESOL is an initial teacher training qualification that will equip participants with the basic skills and knowledge they need for their first post as an English language teacher. 


The Trinity Diploma in TESOL is a qualification for experienced teachers of English language, designed to encourage the development of professional knowledge and expertise and refine practical teaching skills.


The Trinity Certificate for Practising Teachers (CertPT) promotes the development of specialist pedagogical knowledge and skills to support the professional development of English language teachers.

Trinity Teach English Online

Trinity Teach English Online is a flexible online self-study course that can lead to a Trinity Certificate in Online Teaching (CertOT).