So, you have successfully completed the CELTA, you have taught for a number of years and now you are looking to progress in your chosen career as a TEFL professional. Maybe you want to become a Director of Studies, or you want to be a teacher trainer, or maybe you just want to develop further as a professional TEFL teacher. If this describes you then join us at International House in Chiang Mai, Thailand’s only Delta course and the only one in South East Asia that is open to all.

The Cambridge Delta Modules (formerly DELTA) are designed to teach you, at an advanced level, about:

  • The knowledge, understanding and awareness of language.
  • The background to teaching and learning English to adults.
  • Resources and materials.
  • Working in the classroom.
  • Evaluation, monitoring and assessment.
  • Professional development.

At the end of the 8 week Delta course, trainees will have:

  • Attended and participated in the trainer input sessions for subject knowledge and teaching methodology.
  • Completed 6 hours of observed teaching practice.
  • Observed 10 hours of lessons taught by experienced teachers.
  • Completed a range of practically focused written assignments.
  • Completed an extended assignment.
  • Completed a written examination.

Those trainees who have successfully completed the course will be awarded either a pass, merit or distinction grade, according to the continuous assessment by our trainers and the external moderators.

Go to Delta Chiang Mai, Delta Bangkok, Delta Course Content, Delta Entry Requirements, Delta Dates and Fees, How to Pay for Delta, The Trainers, Accommodation or FAQs. for more information.

If you’ve already decided to take the Delta course with us, apply now.

Alternatively, you can contact us at

IH Chiang Mai is affiliated to the International House World Organisation (IHWO), which has been at the cutting edge of teacher training since it pioneered the very first classroom-based, practical training programmes in the 1950s and was the origin of the CELTA and distance DELTA for Cambridge ESOL. The global IH network of 150 schools in over 50 countries now trains over 3,000 teachers per year on its highly regarded CELTA and Delta programmes.

Contact Us Today

  • This field is for validation purposes and should be left unchanged.