Skip to content
Home » TEFL / TESOL Courses

TEFL / TESOL Courses

Globally Renowned Since 2003

Accredited Online TESOL Certification

Recognized by TESL Canada
Academically Equivalent to CELTA and Trinity CertTESOL


Internationally Recognized TESOL Courses:

TESL Canada accreditation means that our graduates are highly employable both in Canada and overseas. 

  • Accepted for Professional TESOL / TEFL Jobs Abroad.
  • Accepted in Native-English Speaking Countries (Canada, USA, UK, Australia, New Zealand).

Our accredited online TEFL / TESOL certification courses include tutor support, world-renowned online TESOL textbook, a variety of videos, and job assistance.

NEW! 10-hour Live Lesson Planning Workshop

Add our NEW 10-hour Lesson Planning Workshop to your OnTESOL course to participate in interactive live lectures with group activities via Zoom. Study TESOL / TEFL online at your own pace or attend the Live Workshop for an interactive online classroom experience.

Add this module to attend live lectures and participate in practical group activities!

120-hour TESOL Certificate

120-hour Advanced TESOL Certificate

Qualify for English teaching jobs abroad, online, and in Canada / USA. This online 120-hour course offers the same level of training as a CELTA or Trinity CertTESOL course.

Accredited by TESL Canada and ACTDEC UK

TESL Canada Professional Standard 1 / TESL Ontario CTESOL (Part 1 of OCELT)

250-hour TESOL Diploma

250-hour TESOL Diploma

Get more training than a standard TESOL / TEFL / CELTA course. This course is an extended version of the in-class Trinity CertTESOL that Coventry House International offers in Toronto.

Accredited by TESL Canada and ACTDEC UK

TESL Canada Professional Standard 2

Which Course is Right For Me?

The 120-hour Advanced TESOL Certificate course is perfect for people who want to take advanced training in an online format. This course offers the same level of training as a CELTA or Trinity CertTESOL course. It meets the requirements for international teaching jobs and offers comprehensive training in areas of grammar, phonology, classroom management, testing, and lesson planning.

The 250-hour TESOL Diploma course goes more in-depth on the grammar, phonology, and methodology topics. It is more comprehensive than CELTA or Trinity CertTESOL and provides a greater understanding of the impact of lesson planning on curriculum development. Many people who completed this course have pursued international opportunities in school management, academia, and publishing.

Recommended TESOL course package for those who want to teach English abroad or online: OnTESOL recommends the 120-hour Advanced TESOL Certificate with one or more additional specialist courses for most teaching positions, including K-12, Business English, IELTS, and online. Save CA $199 / US $150 on each specialist when you enroll in a online TESOL course with OnTESOL.

New to the World Of English Language Teaching?

Read our TESOL Certification Guide: Everything you need to know about types of TESOL courses, accreditations, and how to start your career in TESOL.


20-hour Specialist Certificate Courses

Most English language schools offer their students specialized instruction to meet their specific needs. Topping the list are these four:  Young Learners, Business English, IELTS preparation courses, and Online learning. The 20-hour Specialist certificate courses offered by OnTESOL will boost your resume and prepare you more opportunities. 

Save CA $199 / US $150 on each specialist when you enroll in a online TESOL course with OnTESOL.

20 hour
Teaching English Online

English teacher in a classroom with children

Teaching English to Young Learners

Creative Speaking Activities for the ESL Classroom

Teaching Business English

Students preparing for their IELTS examination


What’s Included in the Tuition Fee?

OnTESOL's online learning platform

Accredited Course Material

Internationally recognized TESOL syllabus since 2003.

All course material is included in the tuition fee. You can access our responsive student portal from your desktop, phone, or table and you also have the option to download each chapter in PDF for printing and/or offline viewing.

  • Textbook
  • Video Tutorials
  • Recorded ESL Lessons
  • FAQ Videos
  • Live Workshops (Optional)
  • Interactive Practice Quizzes to Keep You Engaged and Monitor Your Progress
  • Lab Preparation Videos
  • Job Assistance
  • Tutor Support

Video Tutorials, Recorded ESL Lessons, FAQs Videos, Lab Tutorials, and Live Workshops: 

OnTESOL offers a wide variety of videos to support your self-paced learning experience.  Our online TESOL courses include standard video tutorials, pre-recorded ESL lessons integrated with class observation assignments to show you how to deliver different stages of a lesson plan, FAQs videos to review sections of the TESOL course where OnTESOL tutors have provided extensive support for the past 18+ years, and lab tutorials by our Director of Studies to support you in the lesson plan assignments.

Those looking for an interactive learning experience can add the live 10-hour Lesson Planning Workshop during registration in the 120-hour or 250-hour TESOL course. The 10-hour workshop offers a unique experience through live lectures and group activities.

Video tutorial, Recorded ESL Lessons, and Frequently Asked Questions explained by our TESOL experts

Professional Tutor Support

An experienced teacher trainer will be assigned to assist you throughout the program. Your tutor will provide you with extensive feedback on every assignment to help you improve your teaching methods.

OnTESOL only hires teacher trainers with more than 10 years of experience in the ESL classroom and more than 5 years of experience in CELTA, Trinity CertTESOL, or TESL Canada approved courses. Some of our tutors have more than 30 years of experience in the industry!

All our tutors are approved by TESL Canada, so you are guaranteed to receive professional tutor support from a qualified and experienced teacher trainer.

Internationally Recognized TESOL Certificate and Transcript by Post

  • A stamped hard copy of your certificate and transcript will be mailed to anywhere in the world!
  • Instantly download your TESOL certificate and transcript to apply for jobs online.
  • Certificate Number: Employers can verify your certificate by its unique number in our certificate verification page.
Hard and soft copies of TESOL certificate included

Job Assistance in the Top Destinations!

Receive free job assistance for paid teaching jobs in the top 20+ destinations when you register in the 120-hour or 250-hour TESOL course with OnTESOL. Our job assistance service includes access to thousands of teaching jobs and support with resume and job interview preparation.

  • Job Board
  • List of 1000+ ESL Schools From All Over the World
  • Assistance with resume and job interview preparation

Ready to Become TESOL Certified?

Our accredited TESOL programs will give you the skills and knowledge you need.

Reviews by Graduates

I have recently completed the 120-hour Advanced TESOL Certificate Course. I think this course is incredible and I would highly recommend it to anyone who wants to get into teaching English as a foreign or second language. Even though I’ve been teaching for several years, I discovered so many useful techniques so I recommend the OnTESOL course even for those who already have experience teaching English. My tutor, Aaron, was wonderful. He is a great guide who walked with me through the whole course, helped whenever I had problems and always got back to me in a timely manner. I want to thank OnTESOL for providing an unforgettable learning experience!

Yana Demtsun

I have enjoyed using my OnTESOL course for the past 7 years in life, in Cambodia and in Taiwan.

The lesson plan assignments and assistance I received from the kind tutors helped me to become more creative in the classroom. I would recommend this online TESOL course to anyone that would like to know more about Teaching English as a Second Language and developing their lesson planning skills.

Thank you OnTESOL for your help all these years after completing my course. I feel you have done a lot to assist me in my career.

Patrick Meir

Excellent online course. I was a little skeptical at first that the online course would not compare favourably with the classroom course but I was pleasantly surprised. I was able to apply much of my new knowledge immediately. I took the 120-hour course plus the course for business English. I applied for ESL work in the business sector immediately after completing my OnTESOL course and received a favourable answer to all my requests, finally settling with the YMCA in Montreal. I never thought the course would be so helpful especially when it comes to lesson planning.

Michel Di Stefano

Why Choose OnTESOL?

1. Teach English Abroad or at Home:

Our advanced online TESOL certificate courses are recognized abroad and in native-English speaking countries, so you can go abroad and have the credentials you need to teach at home. Take an internationally recognized TESOL certificate course with OnTESOL!

2. Double International Accreditation:

Our TESOL courses have been recognized by top international accrediting organizations such as TESL Canada and ACTDEC UK.

Each year, these organizations scrutinize our course material, teacher trainers, and advertising claims to ensure that all teacher-trainees receive the quality training that they deserve.

Accredited TESOL Certification

3. Professional Tutor Support:

An experienced and qualified teacher trainer is crucial in a TESOL certificate course. Our courses come with a professional and accredited teacher trainer who corrects the work, provides extensive feedback on each assignment and is available to answer questions. The Director of Studies supervises tutors, moderates assignments, and issues the final transcript and certificate. All our tutors have been approved by TESL Canada and ACTDEC UK.

4. Job Assistance Package

Get free recruitment, access to an international job board, a master list with more than 1,000 schools from around the world, and help with your resume and job interview when you take an accredited TESOL certificate course with OnTESOL. Learn more about our job assistance package.

5. Lesson Planning Skills: Why You Need Them

The level of lesson plan that you will learn to create in an advanced TESOL certificate course will put you above everyone else when applying for TESOL jobs. More importantly, your lesson planning skills will prepare you as a reflective and independent teacher, which means that you will have the skills to adapt the boring textbook and eventually develop a full curriculum with original lesson plans. This is a very valuable skill to have because it will help you enjoy your job and pursue a lucrative career in the field of Teaching English to Speakers of Other Languages (TESOL).

Request Brochure

Submit the form and we will send you a one-time email containing your Information Package.

Select the checkbox if you wish to receive the latest news and be the first to hear of any promotional discounts!