Trinity College London
CertTESOL in Thailand
The best way to brighten your English teaching career professionally, and globally increase your proficiency
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What is Trinity CertTESOL?
Trinity College London is a leading provider of qualifications for teachers in Teaching English to Speakers of Other Languages (TESOL).
It has been validating courses and awarding qualifications for over 40 years, and the Trinity CertTESOL is among the most widely recognised and respected qualifications in the industry.
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Globally Recognised
With Trinity CertTESOL, accredited as Level 5 of the UK’s Ofqual Regulated Credit Framework (RCF), you will be recognised as a highly-qualified English teacher by international schools and educational establishments around the world, including the British Council.
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Who Can Apply?
Our course is open for applicants either with or without teaching experience, as well as non-native English speakers who possess an appropriate standard of English.
Our online CertTESOL course.
NEW
Start your course online now and complete it online or in a classroom in Thailand.
Start your teaching career anywhere at any time.
Organize your study times to fit your lifestyle.
Ofqual listed level 5 qualification on the UK's RQF.
Accepted by ESL employers worldwide, including the British Council.
Start the online tutorial stage immediately and get full access to all course materials- 699 USD
Begin your teaching practice by teaching three hours online. Either complete your teaching practice online or on our upcoming onsite courses – 899 USD
Our next onsite courses are 8-13th September 2025 and 2-7th February 2026.
Pay for the whole course in one payment and save 100 USD – 1499 USD
Check out our comfort and useful facilities
Training Centre
& Facilities
Our trainers
Terry Goose
Terry has been a teacher and trainer of ESOL for 20 years. He has experience of teaching all ages and abilities. Terry was previously a manager at the Continuing Education Centre of Chulalongkorn University in Thailand. He completed his Masters in TESOL with the University of Sheffield Hallam and has been a trainer for the Trinity CertTESOL since 2014.
Liz Hunt
Liz has over 30 years experience in the field of English Language Training, as a lecturer, training consultant, teacher trainer, materials writer and assessor.
She was Course Director for the Trinity College London accredited CertTESOL program at the IALF, Bali and at Southwark College, London. Liz was also a consultant in the development of the DipTESAL program at Sogang University, Seoul, Korea. She has been an Oxford Training Academy trainer for OUP. In 1994, Liz completed an MA Discourse Studies for English Language Teaching and Learning at Liverpool University, UK.
Joe Kingdon
Joe Kingdon has over 10 years of experience in teaching English as a second language. He has taught Kindergarten students, young learners and adults at schools, companies and summer camps in Thailand. He has been the program manager at Mary Immaculate Convent School in Chonburi, Thailand since 2019, and is responsible for the academic development and professional development of its ESL teachers. He has been a trainer for the Trinity CertTESOL since 2023.
Testimonials
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Saskia Nicholson, United Kingdom
I really like the training here. It was a lot of practice. In the first week, we were able to observe some of the lessons, so it was nice that we could see where we were going to teach, and that we did not start teaching straight away. We started with the 20-minute session. Just practice and see how that went and then afterwards you’re doing the hours and that was really fun. The schools are nice and the children are really nice and friendly. So, for me with no teaching experience, that was a nice way to start. The surrounding of the school is very nice. I’ve been to the national park. The night market is really nice.
Aaron McNabb, New Zealand
I wanted to do the TESOL course because I wanted to do one considered to be of high-quality, and I’d be able to use around the world, not only some in parts. The course has been excellent. I really enjoyed it. It has been a good challenge. An intensive challenge. I certainly got a lot out of it. I think it is a good place to start teaching from.
Mary Townswick, USA
I chose the Trinity CertTESOL because some of my department of state colleagues recommended it as a good ESL course, and I took the recommendation. Teaching actual students in the real-life classrooms is the most interesting part of the course, as well as getting the feedback from the trainers’ about the teaching. We taught 4 different groups, in different classrooms, completely different groups of students. The course is one of the best designed-courses I’ve ever taken. Every piece fits into future pieces, so that they all fit together as a whole. Both trainers were the best teachers I’ve ever worked with.
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Charlie Parsons , United Kingdom
The course is really good. The whole thing is very well-structured, very well-organised. A lot of help. Terry was happy to go the extra mile for you to help you out, which is really, really good, and we're really glad we did the course.
Yumon Soe, Myanmar
The most interesting thing here is the teaching practice. We have to go to Pak Chong. We can meet with different students from different organizations, so that’s the most interesting part of the course. I love teaching practice. The students are very friendly. The culture’s the same as my country. The students are very obedient and very helpful to the teachers. So, I love all my students from Thailand.
Tipaya Peungcharoenkun (Pim), Thailand
I think this course is amazing. You’ll learn many things thing from the start of the course. You’ll learn the steps of planning each lesson. You’ll learn that no matter who you are, you can be a great teacher, because the course actually shapes you to be. There are so many teaching practices that you have to go through and there are so many input sessions that you’ll have a chance to talk to the trainers. And that really helps. I think if you are not a native speaker, you can definitely do the course. You just need to work hard and be prepared.