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Level-5 Diploma
Qualify to teach English as a foreign language with our 250-hour Level 5 Online TEFL Course (Diploma). Self-paced study. Personal tutor. Recognised worldwide.

Internationally recognised certification
Dedicated online tutor
Lifetime access to our TEFL Jobs Centre
24/7 access to your course on any device
No hidden costs
Owned and run by experienced teachers
Our 250-hour Level 5 TEFL Diploma is entirely online and self-paced, so you can fit getting TEFL qualified in around your existing commitments.
Updated for 2026, this course now includes our Teaching English Online Advanced course, giving you in-depth training for teaching English online, as well as preparing you for classroom-based teaching.
Offering more comprehensive training than our 120-hour Premier Online course, this course is ideal for those looking to give their CV a boost. Not a native English speaker? Don’t have a degree? Feeling nervous about teaching for the first time? Our Level 5 course is perfect for anyone new to TEFL looking to set off on the best foot possible.
During this course, you’ll cover all the TEFL essentials; from English grammar to classroom management, lesson planning, how to teach learners of different ages and abilities, as well as advanced skills for teaching English online, and much more. With the support of a dedicated online tutor, you’ll work your way through the course material and complete quizzes and assignments to test your knowledge.
Most students complete this course within 12 weeks, but we give you 7 months to finish it - plenty of time! You set the pace, meaning you could complete it within just a month or take your time with it. And if you do find yourself needing more time, we have a range of extension options you can purchase at the end of the 7-month period.
Accreditation matters. It's how both you and employers can be certain that a course offers all it claims to. That's why we are regularly assessed by a number of external bodies to ensure that the training we offer continues to be of industry-leading quality. These bodies include: DEAC, BAC, Ofqual, and SQA.
As the most accredited TEFL course provider in the world, a certificate from The TEFL Org is internationally recognised and respected. Wherever you're aiming to teach, you can be confident that training from us will leave you both prepared and qualified to take on an exciting new role as an English teacher!
Our Level 5 TEFL Diploma opens up opportunities both worldwide and online. Graduates of this course have gone on to teach across Europe, Asia, South America, and the Middle East. Others have taught English online, both from home and as digital nomads travelling the world.
Since 2008, we’ve trained over 205,000 English teachers and our qualifications are sought by employers across the globe. Get your internationally recognised Level 5 TEFL qualification with The TEFL Org and set out on your own TEFL adventure!
Over 80% of TEFL Org graduates find a job within 2 months of completing their course.
205,000+ teachers have trusted The TEFL Org to get started with their TEFL careers.
20+ countries with TEFL teaching positions available in our Jobs Center.
Lifetime access to our TEFL Jobs centre included free of charge with your course.

Discover 70+ TEFL destinations with The TEFL Org Guide to The World!
Learn how to get started as an online teacher with our Guide to Teaching English Online.

Book our 250-hour Level 5 Online TEFL Course today and start your TEFL adventure.
As soon as you purchase the course you can start studying immediately. If you have any pre-purchase questions please contact us and our TEFL experts will be happy to help!
A. No previous qualifications or experience are required to take this course. All you need is fluency in English.
A. You’re given 7 months to complete this course. Most people finish it within 12 to 14 weeks, but with full time study it's possible to complete it within 4 to 8 weeks.
A. This course is entirely self-paced, meaning you can start it at any time. Immediate access is granted to all online coursework and learning materials so you can start your TEFL training straight away.
A. Your course fee covers everything you need to successfully complete your TEFL training; no hidden extras. This includes:
• Full access to the course content and materials
• Tutor support throughout
• Your TEFL certificate OR letter of reference upon completion
• Shipping costs for your certificate (where applicable)
Book our 250-hour Level 5 Online TEFL Course today and start your TEFL adventure.
As soon as you purchase the course you can start studying immediately. If you have any pre-purchase questions please contact us and our TEFL experts will be happy to help!
A. 120 hours is the industry standard and what most employers look for. Online qualifications from accredited providers (like us!) are recognised worldwide. This 250-hour Level 5 course goes into more depth and therefore will thoroughly prepare you for teaching English as a foreign language.
A. The course is broken down into 4 modules. You can see a full breakdown of modules by navigating to the Module Breakdown tab further up the page.
A. If you need help with any of the topics covered on the course or assignments, just send an email to your online tutor. You will find their contact information in the welcome email they will send you after you sign up.
A. Yes, of course! You will have access to our online forum where you can chat with other students on the same course as you. You can also join our Facebook group where you can share resources and find information on teaching English abroad and online.
A. You’ll need to pay the full balance before starting your course, but we do offer flexible payment options. If you’re based in the UK, you can spread the cost over 3–4 interest-free instalments with Clearpay. UK and some EU customers can also use Klarna at checkout, which offers a similar pay-in-instalments option. If you prefer, PayPal sometimes provides the option to split payments over 3 months, allowing you to get started right away. For combined or classroom/virtual courses, you can also reserve your place with a deposit if you're outside of the UK, with the balance due two weeks before your course date.
A. Enrolling is quick and easy:
Online: Sign up at any time through our website; we accept all major credit and debit cards, plus PayPal.
By phone: Call us and an adviser can enrol you directly.
Visit our Contact Us page for more information: https://www.tefl.org/contact-us/
A. If you do find that you need more time to complete your TEFL course, we do offer course extensions. You can purchase a course extension at any time – even after your course has expired. These range from as little as one week up to three months in length.
A. You will have access to a personal tutor who will mark and provide feedback on each of your written assignments. They will also be on hand to answer any questions you have about the topics covered in the course. You will also have access to our online forums where you can chat and discuss the course and teaching opportunities with other online TEFL Org students.
A. All required learning materials are included in the course fee. We do recommend purchasing a good grammar reference book when you start teaching English, but this is not essential to complete the course. Browse grammar reference books on our Online Shop.
A. Don’t worry, a detailed knowledge of English grammar isn’t essential before you start your TEFL training. All of our online course options include a module dedicated to English grammar and language, which covers everything you need to begin teaching it with confidence.