Teacher Training

Become a confident, creative and qualified English as a Foreign Language teacher.

The Trinity Certificate in TESOL is the first step in Teaching English to Speakers of Other Languages (TESOL). It is accredited at Level 5 on the National Qualifications Framework and is respected and recognised by language schools around the world.

Our Teaching courses are accredited by Trinity College London.

About Teaching Courses

By obtaining a Teaching English as a Foreign Language (TEFL) qualification, you can unlock exciting potential for your career in education. Traditionally perceived as a way to fund international travel, TEFL has evolved into a rewarding and dynamic career path that opens a world of opportunities for TEFL educators.

Globally there are two recognised pathways to enable you to start teaching English around the world. These are the Cambridge University CELTA and the Trinity College London CertTESOL. Both are valid certifications (Level 5 UK Qualifications and Credit Framework) and will equip you with a globally recognised qualification. Oxford International is accredited by Trinity College London to deliver the Trinity Certificate in TESOL and the Trinity Diploma in TESOL.

What our past learners have to say.

This course helped to systematise my knowledge of English grammar and phonology as well as gave me some important tips on the teaching methods and techniques. The most valuable tip was how to maintain the balance between student talking time and teacher talking time. Might sound easy, but it's not!


I now feel confident and capable to teach not only in person but in online spaces thanks to their guidance. I highly recommend the Trinity CertTESOL through the OI Digital Institute!

Leane Meiring

The tutors were very supportive and encouraging at all times throughout the course, which really helped me get through this super-intensive 4 weeks. Thank you so much, Lenka, Jane and Amanda! The qualification has given me more options and confidence in looking for TEFL jobs around the globe.


Frequently Asked Questions

The Oxford International Teacher Training team is a team of dedicated education professionals passionate about languages and teaching. Our trainers are highly qualified experts in their field and have a wealth of experience teaching in a face-to-face setting as well as online. They are here to guide you and help you every step of the way.

Oxford International is accredited by Trinity College London to deliver the Certificate in TESOL.

TESOL is cost-effective in comparison to CELTA online courses, offered by Cambridge Assessment English. Educators with TESOL certification have similar opportunities to those who have CELTA certifications.

Essentially, they are acronyms referring to the same area of education: TESOL stands for Teaching English to Speakers of Other Languages, whereas TEFL stands for Teaching English as a Foreign Language.

There is a shortage of qualified EFL teachers abroad, so completion of the course should provide you with excellent employment prospects in the current marketplace.

All our TESOL courses are conducted entirely online which means you can study from anywhere around the world.

Our TESOL courses are accredited by Trinity College London. Trinity College London is an independent awarding body and examinations board and has been providing assessments and qualifications around the world since 1877. As part of Oxford International, we work with them to ensure that receive high-quality and accredited teacher training. Trinity College also moderates all our courses to ensure academic quality.

About Oxford International Digital Institute

Our certification introduces learners to techniques and strategies for teaching English to speakers of other languages through a fully online course designed to facilitate busy professionals and their schedules.

The certification incorporates:

✔️ Live input sessions which explore theoretical and practical aspects of EFL teaching.

✔️ Observed teaching practice.

✔️ Learner profiles and written assignments.

Moderated by Trinity College London, the certification allows teachers to evaluate their effectiveness as teachers and gain insight into post-course development and the structure of the profession.

Why Study Trinity CertTESOL?

Are you ready to take the next step in your teaching career? Trinity CertTESOL is the perfect course for you. A powerful introduction to techniques and strategies for teaching English to speakers of other languages, the Trinity CertTESOL offers:

✔️ Small classes with personalised support from our experts.

✔️ Course delivered fully online so you can study from anywhere in the world.

✔️ A unique experience where you will learn to teach English by teaching real learners.

✔️ Knowledge and practical experience.