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The TEFL Institute is an Irish-founded online education provider specialising in TEFL certification for people who want to teach English abroad or online. The platform offers a range of accredited and Ofqual-regulated courses, from fast-track certificates to Level 5 diplomas.

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At a glance

About The TEFL Institute

Founded
2017, Ireland
Total graduates
Over 161,000
Course duration
2 to 10 weeks depending on course
Accreditation
Ofqual-regulated, Approved Center No. 21335
Qualification level
Level 5 (RQF), aligned with European Qualifications Framework
Prices from
$205 (after discount)
Course access
6 months unlimited course and app access
Delivery
Fully online, with virtual practicum options
The TEFL Institute targets career changers, travellers and education professionals who are looking to gain a recognised qualification for teaching English internationally. Founded in Ireland in 2017 by Ian O'Sullivan, the organisation has grown to serve over 161,000 graduates worldwide. Courses are positioned in the mid-range segment, with current prices ranging from around $205 to $455 after discounts, and are regulated at the same RQF Level 5 as CELTA. The typical student is someone seeking a flexible, online route into English language teaching, whether that means working abroad or delivering lessons remotely.
November 2026

Active promotions

Ready to use with your order at The TEFL Institute.

Percentage discount on a TEFL course for new students who sign up within a limited promotional window, applied automatically or via a discount code at checkout.
To the shop
Free career coaching session or access to a career starter resource bundle included with the purchase of a qualifying TEFL diploma course.
To the shop
Recent

The TEFL Institute in the news

Recent updates and background about The TEFL Institute, summarised in our own words.

The TEFL Institute

The Hire Wire: TEFL job openings tracked country by country

The TEFL Institute publishes The Hire Wire, a fortnightly briefing covering TEFL job openings, salaries and application deadlines across multiple countries. Each figure is traced to an official source and dated for accuracy.

The TEFL Institute

Partner network now spans 19 countries across six regions

The TEFL Institute has expanded its partner network to include organisations in 19 countries across six global regions. The network supports schools and institutions looking for flexible, accredited TEFL delivery.

The TEFL Institute

Overview of accredited TEFL courses now available online

The TEFL Institute provides a course comparison page covering its full range of qualifications, from 120-hour accredited certificates to Ofqual-regulated Level 5 diplomas and hybrid diplomas with teaching practice. Specialist awards are also listed.

Summaries by Image Review based on publicly available sources and our own editing. External links may contain affiliate links.

Frequently asked questions

What others ask about The TEFL Institute

Answers to the most common questions, based on search behaviour and our own research.

Is The TEFL Institute a legitimate and trustworthy course provider?

The TEFL Institute is an Ofqual-regulated provider with accreditation as Approved Center No. 21335. It was founded in 2017 and has since certified over 161,000 students worldwide, which suggests an established track record in the TEFL industry.

How long does it take to get TEFL certified with The TEFL Institute?

Depending on the course chosen, certification takes between 2 and 10 weeks. The 120-hour advanced course is designed as a fast-track option completable in 2 to 4 weeks, while the 300-hour Level 5 diploma takes 8 to 10 weeks.

What is included in the course price?

All courses include 6 months of unlimited course and app access, 6 hours of live career coaching, 29 hours of live tutor workshops, and a bundle of free gifts described as the New Beginnings Bundle. A free copy of the Ultimate Career Starter Pack is also included.

Can I pay for a TEFL course in instalments?

Some courses at The TEFL Institute offer a pay-in-2 option, which splits the cost into two interest-free payments. This is available on the 180-hour Level 5 TEFL Diploma and the 300-hour Level 5 TEFL Diploma (Advanced).

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