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120-Hour Advanced TESOL Certificate (Online)

by: OnTESOL

9.24 (29)Since 2003

Get all the benefits of an advanced in-class TESOL/TEFL course from the comfort of your home! As an OnTESOL trainee, you will have the opportunity to create full lesson plans that integrate grammar and vocabulary with speaking, listening, reading, and/or writing lessons. The assignments in the OnTESOL course will also prepare you to use authentic materials and communicative activities. Your OnTE...

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Program Highlights

Land English teaching positions online, in Canada, the US, and other countries worldwide with your 120-hour course.

Become qualified for ACTDEC UK Level 3 and/or TESL Canada Professional Standard 1 accreditation after meeting requirements.

Set your own study schedule and receive personalized support from an experienced tutor.

Undergo supervised teaching experience with the separate Practicum after completing our online TESOL certificate.

Receive a 120-hour Advanced TESOL Certificate and transcript awarded by Coventry House International-OnTESOL upon successful completion of all exams and assignments.

Quick Details

Locations:
  • Online
  • Multiple Countries
Availability
Year(s) Offered: Year RoundTerms Available:
  • Throughout the Year
Age Requirement: 18+
Types & Subjects
Subjects & Courses:
  • TESOL
Guidelines:
  • American
  • Canadian
  • Australian
  • South African
  • Kiwi
See all program details
Last Updated: Feb 06, 2026

Awards

TESL Ontario Logo

Program Reviews

Hear what past participants have to say about the programs

Overall Rating

9.24

Total Reviews

29

Great material, greater tutor!

May 24, 2026by: Anas Sawah - Syria

Program: 120-Hour Advanced TESOL Certificate (Online)

9

From the very first second that I spent attending the great Dr. Margaret Hurley's live grammar session, I knew I did right by myself by choosing this course. I managed to learn so much in such little time. The material, though a little outdated given the fact that this course was launched in 2003, was enriching and easily bettered me as an English teacher. Add to that, the accreditations of the certificates that this course provides you with once you are done are the best examples of money being well-spent.

Very helpful staff who want you to succeed

April 23, 2025by: Amy Butcher - Canada

Program: 120-Hour Advanced TESOL Certificate (Online)

10

Overall, this certificate will give you a very professional grounding in TESL. After taking the 120-hour course and other small certificates, I felt very prepared to start teaching right away. The alumni support was also a big plus and they give you great tips to ace your interviews. I am very happy with my experience at OnTESOL and definitely recommend it.

A Fantastic Learning Experience

March 07, 2025by: Mahtab Afrasiabi - Iran

Program: 120-Hour Advanced TESOL Certificate (Online)

6

The TESOL course was a fantastic experience for me as a newcomer. It deepened my understanding of lesson planning and student engagement activities. The curriculum was well-structured, covering essential topics such as grammar, phonology, methodology. lesson planning, classroom management, and assessment techniques. The instructors were knowledgeable and supportive, providing constructive feedback that helped me improve, especially in writing lesson plans.

Program Details

Learn all the nitty gritty details you need to know

Locations

  • Online
  • Multiple Countries

Types and Subjects

  • Subjects & Courses
  • TESOL

Availability

Years Offered: Year Round

Terms Available:
  • Throughout the Year

Age Requirement

18+

Guidelines

All Nationalities

Program Cost Includes

  • Course Materials
  • TESOL Certification
  • Transcript Fees
  • Job Search Support

Qualifications & Experience

      Accepted Education Levels

    • High school graduate, diploma or the equivalent (for example: GED)

    Application Procedures

    • Online Application
    OnTESOL

    OnTESOL

    9.24

    Ready to Learn More?

    Get all the benefits of an advanced in-class TESOL/TEFL course from the comfort of your home! As an OnTESOL trainee, you will have the opportunity to create full lesson plans that integrate grammar and vocabulary with speaking, listening, reading, and/or writing lessons. The assignments in the OnTESOL course will also prepare you to use authentic materials and communicative activities. Your OnTESOL certificate will show employers that you have the skills to adapt quickly to their curriculum needs. After just 3 months on the job, your employer will see the impact of your lesson planning skills on the classes you are teaching. After one year, OnTESOL graduates are able to help schools get better organized with their curriculum and help other teachers adapt the textbook with effective mater...

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