TEFL/TESOL Certificates

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A TEFL/TESOL certificate is recognized worldwide as the entry-level credential for teaching English as a Foreign Language (EFL); this is also known as TESOL, which means Teaching English to Speakers of Other Languages. A TEFL/TESOL Certificate prepares people without prior education degrees or teaching experience how to teach English in the foreign language classroom.

A TEFL/TESOL Certificate is the right choice for you if:

  • You are interested in becoming an English teacher in a country where English is not the official language;
  • You are a professional in a related field who is considering transitioning into English language teaching;
  • You are a language teacher who wants to complete coursework for professional development purposes.



CESL offers face-to-face and online courses that range from 100 to 150 hours of training. Please see our three different TEFL/TESOL Certificate options below to determine which one better meets your time availability, learning preferences and interests. You should also research the countries where you would like to teach in order to learn about the minimum number of hours of training and/or classroom experience requirements.

⇒ All TEFL/TESOL Certificate courses are not credit-bearing and, therefore, do not count towards an undergraduate or graduate degree. A TEFL/TESOL Certificate does not allow you to teach in the U.S. unless you have another qualifying degree or certification.

⇒ CESL provides Notarization and Authentication services that are required for work visa processing, as well as job placement advising for certain countries.

Carol McKay - USA
Elizabeth Dyer - USA
Bryn Sharp - USA

Program Details


Fully Online - Self Study

This course is offered completely online and on a self-paced basis. Students are enrolled the second and fourth Thursday of every month and finish the course at any time throughout the year, and are not required to interact with an instructor or meet any weekly deadlines. This course is suitable for those who need to complete their TEFL/TESOL Certificate in a short period of time or by a specific date. This course has the most comprehensive TEFL/TESOL curriculum.

offered in-person - NEXT SUMMER 2025


This four-week course is offered in-person on the University of Arizona campus and is intended for those who plan to teach English professionally. It is designed to meet the needs of future teachers by combining foundational coursework in language acquisition theory, teaching methodology, classroom management, and assessment with a 30-hour observational and guided classroom Practicum for hands-on experience.

offered to institutions only as a customized program

This Certificate consists of three 50-hour, eight-week online courses and is offered only to institutions interested in enrolling a group of teachers. Courses are led by CESL faculty and students are required to complete weekly discussion postings, quizzes and assignments; they receive regular feedback from faculty in writing and during synchronous meetings. Students obtain a 50-hour certificate of completion at the end of each course and 150-hour TEFL/TESOL Certificate upon completion of the three courses.

AVAILABLe in-person

The 20-hour or 40-hour Practicum can be added to any of CESL’s TEFL/TESOL Certificate programs or taken as an independent component by those who already have a TEFL/TESOL Certificate. The Practicum combines classroom observations and supervised teaching at CESL with the aim of providing students with authentic experience in the ESL classroom while applying previously acquired theoretical and practical knowledge. 

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