#1 accredited TEFL course provider
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    Train once with Ireland’s most trusted TEFL institute and teach your way around the world.

     

    Accredited, approved and regulated by
    Regulated by Ofqual — UK Government body

UK’s No. 1* TEFL Course Provider

TEFL certification is a professional qualification that trains you to teach English to speakers of other languages. The TEFL Institute of Ireland’s Level 5 TEFL Diploma is regulated by Ofqual, the UK government qualifications regulator, at 180 guided learning hours and 30 credits across 11 modules, and is studied fully online from any country.

Accreditation and regulation, verified 25 August 2026: Ofqual-regulated Level 5 qualification 61015714 · Highfield Qualifications Approved Centre number 21335 · aligned to the European Qualifications Framework (EQF). Full detail on our TEFL accreditation and regulation page.

Award-Winning Online Courses & Diplomas

Award-Winning Online
Courses & Diplomas

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⚡ Express Qualification | 2-4 Weeks

120-Hour Advanced International Standard Course | Accredited TEFL Course

Original price was: €640.00.Current price is: €175.00.

Ideal for beginners, an entry-level qualification to teach English online or abroad.

Widely recognised as the international entry-level standard, this is one of the most budget-friendly TEFL courses available online. Ideal for teaching in countries with minimal entry requirements, such as parts of Asia and Latin America.

✨26hrs of Weekly TEFL Mentorship (Online)
✨ 6 Hours Job Coaching Sessions
✨ 6 Months Access + Mobile Learning App

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☝️ The Smart Choice | 6-8 Weeks

180-Hour Comprehensive Ofqual Regulated Course | Level 5 TEFL Diploma

Original price was: €735.00.Current price is: €265.00.

CELTA-equivalent, Level 5 TEFL for better global job opportunities.

A government-regulated qualification level equivalent to CELTA/Trinity Cert TESOL. It is ideal for aspiring teachers seeking higher-paying roles and increased international recognition.

✨ 29hrs of Weekly TEFL Mentorship (Online)
✨ 6 Hours Job Coaching Sessions
✨ 6 Months Access + Mobile Learning App

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🏆 Professional's Choice | 8-10 Weeks

300-Hour Advanced Ofqual Regulated Course | Advanced Level 5 TEFL Diploma

Original price was: €875.00.Current price is: €375.00.

Advanced TEFL for higher-paying teaching careers.

The top course is for the highest pay scale and better opportunities. Gain the expertise to teach anywhere in the world and stand out by mastering in-demand specialisms, including teaching English for Exams and online teaching.

✨ 29hrs of Weekly TEFL Mentorship (Online)
✨ 6 Hours Job Coaching Sessions
✨ 6 Months Access + Mobile Learning App

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We also offer specialist courses, such as Business English, One-to-one and Online English

9 Years Shaping Careers
400 Exclusive TEFL Jobs
80 Countries You Could Teach In
161,000 Lives Changed
Europe’s Only Ofqual-Regulated (RQF) TEFL Certification Provider
Aligned with the European Qualifications Framework (EQF) – Ireland’s #1 TEFL Provider

See How Much You Can Earn Teaching English

Get an estimate of your potential earnings based on country, experience, and course level.

What Do You Want To Do?

Everyone’s journey is different - let us help you find your way! Who do you relate to below? Click on the cards to reveal the most suitable courses based on your goals.

The Adventurer Pack light, teach anywhere, collect moments.

You’re an Adventurer!
You love to explore the world whilst teaching.

Here are the courses to help you teach while exploring the world:

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The Educator Shape futures while designing your own path

You’re an Educator!
You love to teach and inspire.

Here are the courses designed for aspiring teachers:

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The Digital Nomad WiFi, wanderlust, and a world to teach.

You’re a Nomad!
You love the freedom to work online anywhere in the world.

Here are the perfect courses to become a remote teacher:

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The Adventurer Pack light, teach anywhere, collect moments.

You’re an Adventurer!
You love to explore the world whilst teaching online.

Here are the courses to help you Teach Online while exploring the world:

Start Here
The Digital Nomad WiFi, wanderlust, and a world to teach.

You’re a Nomad!
You love the freedom to work online anywhere in the world.

Here are the perfect courses to become a remote teacher:

Start Here
Genuine accreditations
Dedicated forums and practical support
Free digital certificate
Guaranteed feedback
Irish-based provider
Life-time job support
Expert tutor support
Flexible, self-paced online study
Genuine accreditations
Dedicated forums and practical support
Free digital certificate
Guaranteed feedback
Irish-based provider
Life-time job support
Expert tutor support
Flexible, self-paced online study

Internships: Find the Right Destination For You

See Internships
  • Teach in South Korea (6 months) flag
    Teach in South Korea (6 months) Avg, pay approx. €1270/mo Explore
  • Teach in Thailand (4.5 months) flag
    Teach in Thailand (4.5 months) Avg, pay approx €900/mo Explore
  • Teach in Germany (2 months +) flag
    Teach in Germany (2 months +) Avg, allowance approx. €75/wk Explore
  • Teach in Thailand (3 months) flag
    Teach in Thailand (3 months) Volunteer Internship Programme Explore
  • Teach in Vietnam (5 months) flag
    Teach in Vietnam (5 months) Avg, pay approx. €860/mo Explore
  • Teach in Cambodia (12 months) flag
    Teach in Cambodia (12 months) Avg, pay approx. €940/mo Explore
  • Teach in South Korea (12 months) flag
    Teach in South Korea (12 months) Avg, pay approx. €1,335/mo Explore

    Not sure which TEFL course is right for you?
    Take our quick test to find your perfect match.

    Verified Students Reviews

    The TEFL Institute takes pride in the positive reviews that inspire confidence in our programs. With a 14-day money-back guarantee, students can enrol with peace of mind. Our students have embraced the challenge of learning and teaching English, both online and abroad. Recognised in over 90 countries worldwide, their stories show how global opportunities become reality.

    I recently completed the 30-Hour Teaching Business English Course, and I learned so many interesting and useful things about how to plan, prepare, and create effective lessons.The course provides lots of valuable PDFs, videos, and links to explore the topics in greater depth and continue learning... even after completing the course.I highly recommend it to anyone who wants to expand their knowledge, develop their teaching skills, and strengthen their potential as a Business English teacher!read more
    loris francoletti
    loris francoletti
    14:39 03 Sep 26
    Really good course that you can complete in your own time! I found it very manageable and my Tutor marked all work very quickly! Within 1 day! Also, feedback is really detailed so if you do have any corrections to make, it is clear where you need to look (modules etc.) To fix it.Would recommend... TEFL Institute to anyone interested in doing a TEFL course :)read more
    Josh
    Josh
    11:36 03 Sep 26
    Early stages yet, but so far enjoying the content.Responses have been efficient and timeous.
    Vanessa Cadman
    Vanessa Cadman
    19:19 30 Aug 26
    I’ve almost finished my 300-hour TEFL Diploma with this fantastic institution, and honestly, I’m much more impressed than I expected! The TEFL Institute of Ireland is one of those rare platforms that genuinely delivers what it promises. Everything is smooth ,well organised, and easy to follow —... no scratching your head wondering what comes next. And the content is seriously incredible -super practical videos, PPTs, and teaching materials you can take straight into the classroom. On top of that, you get free access to job opportunities, webinars with graduates, and great support and guidance along the way. All in all ,you’re not just getting a certificate — you’re getting a real pathway into teaching and into the international job market. A special thank you to Laura , Elaine ,and Tara , who have been just amazing throughout — always quick to respond and genuinely helpful. So glad I chose the TEFL Institute of Ireland ! More than perfect! 100% recommend!!!read more
    Veronika Veronica
    Veronika Veronica
    19:02 13 Aug 26
    I had always that I knew it all as long as it had to do with English language but this course has exposed me to so many different things I never even knew existed. It’s really very interesting and I am loving it all the way.
    Eme Efiom (Quinta)
    Eme Efiom (Quinta)
    20:12 01 Aug 26
    War eine tolle Erfahrung, den 180 Stundenkurs TEFL Level 5 "durchzuackern". Die kleineren Aufbaukurse im Gesamtpaket runden das Ganze ab. Hat Spass gemacht!
    Michael F
    Michael F
    11:57 01 Aug 26
    I had a great experience! Killian's customer service was excellent. He's friendly, professional, and very helpful. He took the time to answer my questions and made sure I was completely satisfied. I truly appreciate the outstanding service and would highly recommend them to anyone. Thank you for... the excellent customer care!read more
    Nadyra Tee
    Nadyra Tee
    09:19 27 Jul 26
    I really enjoyed the TEFL course. The teachers explain everything clearly, and the lessons are engaging and well organized. I truly appreciate the effort the team puts into the course.The only issue I have is that I submitted my Assessment 3 on July 6, but I still haven't received the result. I... would be very grateful if you could help resolve this issue.Thank you for your support!read more
    Nasiba Ochilova
    Nasiba Ochilova
    13:46 24 Jul 26
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    Accredited Worldwide by Leading TEFL Providers

    Proudly recognized by top global platforms including GoAbroad & Go Overseas

    Student Stories

    Discover how our graduates have taken their TEFL course globally.

    Evelyn Teaches in Vietnam
    I grew in confidence and have experiences I’ll cherish for life!
    Vietnam welcomed me like family and helped me grow in confidence through unforgettable experiences.
    Read Full Story
    Conor Teaches in Italy
    I followed my passion for travel and teaching and changed my life
    I graduated in Biomedical Engineering - then I decided to change direction and follow my passion for travel & teaching.
    Read Full Story
    Mary teaches in Spain
    I learned resilience, confidence and culture.
    TEFL took me from New Zealand to Spain and taught me resilience, confidence and the joy of connecting with students from another culture.
    Read Full Story
    Kayla and Ciaran Teach Online in Bali
    Freedom to build a life in paradise
    Teaching online in paradise, I connected with students, explored cultures, and grew both personally and professionally.
    Read Full Story

    Start free. Teach smarter. Grow faster.

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    • TEFL Job Board and AI Job Matcher
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    Championing every learner's progress. Your achievement is our priority

    As Ireland’s largest and most accredited TEFL course provider, we offer internationally recognised TEFL and TESOL certifications. Our courses are Ofqual-regulated (UK government standard) and aligned with the European Qualifications Framework (EQF), ensuring global recognition for graduates who want to teach English abroad or online.

    Trusted by Leading Educational Institutions Worldwide for Excellence

    The TEFL Institute of Ireland holds the most accreditations for a TEFL provider in Ireland. We are approved by Highfield Qualifications, Ofqual, AQC, CPD and OTCAC and are the only Level 5 TEFL Qualification provider in Ireland.

    Highfield Qualifications 

    The TEFL Institute offers the only Level 5 TEFL qualification accredited by Highfield Qualifications, accepted in over 57 different countries as well as a recipient of the prestigious King’s Award in 2024. This Level 5 TEFL course is internationally recognised and equivalent to CELTA, Trinity CertTESOL, or TESOL certifications. Your Level 5 TEFL Diploma from the TEFL Institute of Ireland is globally valid and can be easily verified by both you and potential employers through Highfield. This ensures your qualification is trusted and will help you secure employment as a TEFL teacher worldwide.
    [Approved Centre Number: 21335]

    Personal Message from Founder Ian:

    I’m Ian O’Sullivan, and I set this place up. I taught my first English class in Costa Rica in 2002 and came home convinced this work changes lives. I was one of the developers of the world’s first online TEFL course, built at a previous employer some years before this company existed, and in 2017 I founded The TEFL Institute in Ireland. 161,000 graduates later, the part I’m proudest of isn’t the number, it’s the people.

    You’ll be looked after by an experienced team of Irish TEFL professionals who stay with you the whole way, from picking the right course to landing your first class abroad or online. We stay deliberately boutique, so you get real guidance rather than a certificate and a goodbye. We’re also building new ways to help you get further, like TEFL Explorer, which pairs expert mentorship with AI-powered personalisation.

    Questions? Email me directly at ian@teflinstitute.com.

    Ian O’Sullivan, Founder


    A Note from Caroline:

    I travelled to Costa Rica in 2001 with my husband to volunteer as English teachers, and thirty years in TEFL education later I still remember that first class. My job now is thinking about where all this goes next. What hasn’t changed is the part I care about most: we would genuinely rather tell you a course is wrong for you than sell it to you.

    Caroline Keevers, Strategy Manager

    Read More →

    161,000

    Alumni

    Our active global alumni network connects graduates worldwide, creating space for job collaboration, mentorship, mental health support, and career opportunities across every major region.

    You’ll also join our TEFL Unpacked Alumni Group, where thousands of students are ready to share their real experiences and tips to help you take your next step in TEFL.

    Our Partnerships

    The Gaisce – The President’s Award–TEFL partnership combines Ireland’s most respected youth development award with an internationally recognised TEFL qualification, creating a powerful dual credential for young people aged 16–25.

    Proud Partners Supporting Ireland's Next Generation

    This combination strongly enhances employability, career flexibility, and professional credibility in Ireland and internationally.

    Want to learn more about the benefits? Read on.

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    TEFL On The Go

    Learn anytime with the TEFL Institute of Ireland's accredited mobile app. Flexible, interactive, and trusted.

    Got Questions?

    Get clear answers about TEFL courses, certification, teaching jobs, and everything in between.

    TEFL stands for Teaching English as a Foreign Language. It refers to teaching English to non-native speakers in countries where English is not the main language. A TEFL qualification trains teachers to deliver effective English lessons covering grammar, pronunciation, speaking, listening, reading, and writing. TEFL is the most widely recognised English-teaching certificate worldwide, making it the preferred option for UK students looking to teach abroad or online.

    A TEFL certification is a professional qualification that prepares you to teach English to non-native speakers. For UK students, a UK-accredited or Ofqual-regulated TEFL course ensures your qualification meets recognised quality standards and is accepted by employers globally, both online and overseas.

    You can earn a TEFL certificate by enrolling in an online, hybrid, or classroom-based TEFL course in the UK. Most UK students choose flexible online TEFL courses that can be completed at their own pace, with tutor support and internationally recognised accreditation.

    When choosing a TEFL course in the UK, always check that it is:

    • UK-accredited or Ofqual-regulated
    • Recognised by international employers
    • At least 120 hours for overseas teaching
    • Provided by an established TEFL course provider
      This ensures your qualification is credible, transferable, and respected worldwide.

    The best TEFL course providers in the UK are those offering UK-accredited and regulated TEFL courses, transparent certification, tutor support, and strong graduate outcomes. Always choose a provider with proven experience and international recognition.

    If your goal is teaching online, a TEFL course with a Teaching English Online specialist module is ideal. Many UK students start with a 120-hour TEFL course and add a short online-teaching qualification to focus on platforms, digital tools, and one-to-one teaching.

    Free TEFL courses are rare and often not accredited or recognised by employers. UK students are advised to invest in a low-cost, UK-approved TEFL course to ensure employability, higher pay, and long-term career options.

    A Level 5 TEFL qualification is an advanced teaching award equivalent in difficulty to the first year of a UK undergraduate degree. Level 5 TEFL courses are widely accepted by employers and are ideal for UK students seeking higher-paid teaching roles abroad or online.

    Our simple explanation would be:

    • TEFL: Teaching English abroad or online (most globally recognised)
    • TESOL: Teaching English to speakers of other languages (often interchangeable with TEFL)
    • CELTA: A classroom-based qualification awarded by Cambridge, typically more expensive and less flexible

    For most UK students, a UK-accredited TEFL course offers the best balance of flexibility, cost, and global acceptance.

    No. You do not need a university degree to enrol in a TEFL course in the UK. However, some countries may require a degree for visa purposes. Teaching English online usually does not require a degree.

    Accredited TEFL courses meet industry standards, while government-regulated Level 5 TEFL courses are additionally monitored by a national regulator, offering higher academic recognition and credibility — especially valuable for UK students.

    View All FAQs

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