Our online TESOL certificate courses are self-paced, so you can complete the program in under 4 weeks or take up to 8 months to study!
OnTESOL is the leader in advanced TESOL certificate courses. Get the best training to pursue a career in Teaching English to Speakers of Other Languages (TESOL)!
Advanced TESOL Certificate (120 hours)
OnTESOL’s 120-hour TESOL Certificate can be completed in just under 4 weeks. If you want to take the course at your own pace, you will have a maximum of 6 months to complete the TESOL course.
This is more than enough time for those who would like to study part-time due to other commitments or those who need to take the time to fully grasp the concepts of the advanced TESOL certificate course.
You can also upgrade your credentials by adding a 20-hour Teaching English to Young Learners or Teaching Business English specialist module.
Those who enroll in the Advanced TESOL Certificate get a 50% discount on the specialist courses.
Study online with OnTESOL and at your own pace! Get professional tutor support and an internationally recognized TESOL certification!
Advanced TESOL Diploma (250 hours)
The advanced TESOL Diploma is the best program in the world. It offers much better training than any advanced TESOL certificate course, including the Cambridge CELTA.
In this program, you will get to study all the approaches and lesson planning formats in detail. This program is perfect for those planning to continue in their career as School Directors or University Professors.
Trainees get up to 8 months to complete the 250-hour TESOL Diploma, which can be completed under 7 weeks if you study full-time. You can also add one of our famous specialist courses for only $100!
This program is recognized by TESL Canada at their professional Standard 2 accreditation on completion of a 50-hour Practicum.