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6 Months Study Time

300 Hour Regulated Level 5
Advanced TEFL Diploma

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Spread the purchase of this TEFL course over two interest-free payments. The second intallment is due after 30 days.

The interactive 300-Hour Level 5 Advanced Diploma is the highest TEFL qualification that The TEFL Institute offers. This qualification provides greater job opportunities and higher salary ranges than other courses.

This advanced diploma course is the same level as the following qualifications: a TEFL diploma of higher education (DipHE) and a foundation degree. It includes everything you need to know about teaching multiple categories of English at the top schools and companies abroad and online.

Enrol Now & Receive Corporate Online Teacher Kit

Gift Image 30 Hour Teaching English Online Course
Gift Image 30 Hour Teaching Business English Course
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What will I learn?

The 300 Hour Level 5 Advanced Diploma is the highest level TEFL qualification that The TEFL Institute offers. This comprehensive, advanced diploma course is the same level as the following qualifications: a TEFL diploma of higher education (DipHE), and a foundation degree. It includes everything that you need to know about teaching multiple categories of English abroad or online at the top schools and companies.

Throughout your training, you will cover many TEFL subjects, from structuring lessons to more intermediate topics such as teaching pronunciation and vocabulary.

Course Content

You will learn everything there is to know about teaching English when you sign up for the TEFL Institute’s 300 Hour Level 5 Advanced Diploma TEFL Course. It is the highest TEFL qualification that TEFL Institute has to offer. This comprehensive module includes everything.
You will undertake the 180 hour Level 5 TEFL Diploma and two 60-hour Level 5 specialist awards. Your career options will be limitless by completing these modules as you will teach both adults and children. Your earning potential online and in any school will be the highest available.

As part of the advanced online TEFL course, your core studies in the Ofqual regulated Level 5 180 hour TEFL diploma centre around ten expert teacher training modules that prepare you for every teaching scenario. You will master the art of grammar structure, plan practical lessons, instruct flowing conversation and learn how to teach English in an engaging and stimulating manner. Our online TEFL course prepares you for every teaching scenario, whether one student or an entire classroom. By doing the 180 Hour Level 5 TEFL Diploma from the TEFL Institute, you will access the most competitive TEFL jobs worldwide. You will be able to teach English to children and adults upon completing your OFQUAL-approved Level 5 TEFL Certificate.

The additional coursework includes two of the most popular and in-demand 60-hour specialist courses. These include the 60-Hour Award in Teaching English Business English and 60 Hour Award in Teaching English Online & One-to-One. Being educated in these different modules makes any candidate more desirable. By mastering one or all of these areas, you can carve out a financially rewarding TEFL teaching career as a specialist in a niche market.

Having Business English on your CV means to any TEFL employer that you’ll be able to teach English abroad in any classroom and deliver effective language lessons online. With the theory and practical suggestions, this course provides, you will be able to teach English as a foreign language with confidence that your lesson plans offer your students the necessary professional English lessons which they will need in a corporate/career world.


The potential to earn a lot of money for teaching English as a foreign language is high. In addition to the apparent benefits, entering the field of Business English and Online/One-to-one instruction will open more doors for you than a standard TEFL certificate.

This 300 Hour Advanced Diploma TEFL Course is the gold standard of TEFL courses and will allow you to travel without limits and teach English overseas at the highest levels.

    180 Hour Level 5 Diploma in Teaching English as a Foreign Language
  • 1-3 Modules One-Three:

    Module 1: The Principles of Teaching English Grammar

    In this module, you will delve into a key component of English language teaching: English grammar. When teaching English, it’s important to have a basis for understanding grammar, and this module will provide you with the knowledge to understand it better. By the end of the module, you will have studied different types of grammatical words, structures and features of the English language.

    • Qualification number: 600/0000/A
    • Unit level: Level 5
    • Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
    • Credit value: 6
    • Guided learning hours: 30

    Module 2: The Principles of Teaching English Vocabulary

    Once you have mastered the grammar module, in this module, we move on to another key teaching point: teaching vocabulary! You will learn about different aspects of vocabulary and be equipped with the tools to know how to teach it, including different techniques and games we can use! Once you’ve finished this module, you will have the power to turn your students into vocabulary masters!

    • Qualification number: 600/0000/A
    • Unit level: Level 5
    • Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
    • Credit value: 3
    • Guided learning hours: 15

    Module 3: The Principles of Learners’ Needs and Teaching Methodologies for Online and Face-to-Face learning

    In Module three, we dive into the fascinating world of different teaching methodologies, the history of the English language classroom, and how these have developed in the online classroom. You will learn about how students have different learning needs and how to cater for them. You will finish the module full of knowledge about how English has been and is continued to be taught, along with the tools to make your learners happy by using the right techniques for them and their needs! Unsure about what to do if your learners make mistakes? You won’t be after this module! We will arm you with a wide range of correction techniques and explain how to use them in the classroom and online so your learners progress and receive good feedback from their teacher.

    • Qualification number: 600/0000/A
    • Unit level: Level 5
    • Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
    • Credit value: 3
    • Guided learning hours: 15
  • 4-6 Modules Four-Six:

    Module 4: The Principles of Teaching Receptive Skills for Online and Face-to-Face learning

    This module will look at two essential skills for learners: reading and listening! You won’t find yourself stuck for ideas after learning all about different reading and listening activities and materials you can use in the classroom and online. In your classroom, you will use lots of materials: articles, books, emails, and songs- so why not learn how to use them well in this module? The internet gives us wider access to these materials and endless possibilities! By the end of the module, you will pick up lots of inspiration for both your classes and your online classes, as well as know how to teach your learners how to improve both skills, whether they are learning traditionally or from the comfort of their own homes.

    • Qualification number: 600/0000/A
    • Unit level: Level 5
    • Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
    • Credit value: 3
    • Guided learning hours: 18

    Module 5: The Principles of Teaching Productive Skills for Online and Face-to-Face learning

    Here we move on to the other skills: writing and speaking! What we call ‘productive skills’ tend to be more difficult for some learners, but they won’t be for you by the time you’ve finished this module! We will look at some exciting communication activities that will leave your learners confident and fluent in the language and particular speaking skills you can work on in your classroom. You will also learn how these activities can be set up online so that your online students don’t miss out on improving their speaking skills too! You will also study the writing process and how we can correct their work, including using online interactive tools. By the end of this module, you will feel confident to tackle any of the four key skills with your learners!

    • Qualification number: 600/0000/A
    • Unit level: Level 5
    • Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
    • Credit value: 3
    • Guided learning hours: 18

    Module 6: The Principles of Teaching Pronunciation and Phonology

    One of the trickier aspects of the English language is pronunciation and phonology! As you’ll learn, pronunciation is one of the most important aspects for learners as it means they can communicate! Your students will look to you as a pronunciation model and want you to help them improve their own. We will equip you with the knowledge and ideas to give more confidence and clear pronunciation. They will certainly be most grateful to you for helping them sound as fluent as possible!

    • Qualification number: 600/0000/A
    • Unit level: Level 5
    • Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
    • Credit value: 2
    • Guided learning hours: 14
  • 7-10 Modules Seven-Ten:

    Module 7: The Principles of Online Teaching Using Teaching Aids and Materials

    There are endless possibilities for teaching aids and materials in the English language classroom- so how do you know which to use and what to do with them? By completing module seven! You will explore various teaching aids such as flashcards, realia and even the power of storytime! Can you still use flashcards if you’re teaching online? How do you use the board online? You’ll find out how in this module as you discover how these aids can also be used in the online classroom. Remember TEFL is always changing and updating, so we will also look at online resources including social media, and how you can use these tools with your learners to keep up with the times as a teacher in the 21st century leaving your students highly impressed!

    • Qualification number: 600/0000/A
    • Unit level: Level 5
    • Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
    • Credit value: 2
    • Guided learning hours: 17

    Module 8: The Principles of Lesson Planning and Online Classroom Management Techniques

    In this module, we will look at how we can put into practice all the techniques we have seen so far. You have learnt about vocabulary or reading, but how do we actually plan a lesson to teach these? We will guide you through lesson planning and give you some example plans to see exactly how you can plan your lessons when teaching online. We’ll also look at practical considerations for the classroom, such as technical considerations, talk time and learner feedback. You will finish this module with the confidence to plan a great lesson and will have the techniques you need to handle your class! Teaching online doesn’t have to be chaotic, you can learn ways to manage your class virtually too!

    • Qualification number: 600/0000/A
    • Unit level: Level 5
    • Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
    • Credit value: 2
    • Guided learning hours: 15

    Module 9: The Principles of Teaching Adults English as a Foreign Language for Online and Face-to-Face learning

    Do you want to teach adult learners but don’t know how to plan your lessons for them, or what considerations should you take into account to do this? Do you feel lost when thinking about how to teach adults online? Then module 9 is the one for you! Here we will look at why adult learners take English courses, what special needs they might have, and what ideas you can use to teach them with our detailed online lesson plans. You will also design your lesson plans, testing out some ideas! There are lots of opportunities for teaching adult learners online, and this module will help you take advantage of that! Remember, just because you are teaching adults doesn’t have to mean that the lesson can’t be fun!

    • Qualification number: 600/0000/A
    • Unit level: Level 5
    • Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
    • Credit value: 3
    • Guided learning hours: 3

    Module 10: The Principles of Teaching Young Learners English as a Foreign Language for Online and Face-to-Face learning

    Teaching young learners online is a vast market, with many global companies advertising jobs daily. It requires special consideration regarding motivation, activities and understanding of their development. This module will give you the confidence to create engaging and productive lesson plans for younger learners, which will get them enjoying your classes and excited to learn! You will learn how to deal with the challenges of teaching young learners online and how to keep them motivated. With these lesson planning skills for adult and young learners, you will be ready to dive into TEFL and have many opportunities!

    • Qualification number: 600/0000/A
    • Unit level: Level 5
    • Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
    • Credit value: 3
    • Guided learning hours: 19
  • 60 Hour Level 5 TEFL in Teaching Online & One-to-One
  • 1-2 Modules One-Two:

    Module One: Principles of Teaching English Online

    In this module, you’ll learn all about the context of Teaching English Online and the key differences between this and traditional classroom teaching. You’ll also learn about the type of positions offered in online teaching and the demand for online English teachers.

    Module Two: The Principles of Teaching English One-to-One

    In Module 2, you will learn about teaching one-to-one classes and the current demand for these classes in the world of TEFL. You will learn about the differences between one-to-one and group classes and common considerations when teaching individuals.


  • 3-4 Modules Three- Four:

    Module Three: The principles of Learners’ Needs and Creating a Syllabus for Teaching English One-to-One and Online

    In this key module, you will learn about the importance of determining your learners’ needs for online and one-to-one classes, as well as using a syllabus in these teaching contexts. You’ll also learn how to implement methods to determine your learners’ needs and create a syllabus from the results, a crucial element for successful lessons.

    Module Four: Tools, Materials and Practical Considerations for Teaching English Online and Onto-to-One

    In this module, you’ll learn about using different tools and materials for online and one-to-one classes. You will learn about how to select and adapt these, especially for your students, for they to get the best out of their lessons with you.

  • 5 Modules Five:

    Module Five: The Principles of Teacher Talking Time (TTT), Error Correction and Lesson Planning for Online and One-to-One Lessons

    In Module 5, you will learn about how teacher talking time can be managed in online and one-to-one classes and how to correct errors in these lessons. Finally, you will combine your knowledge to produce lesson plans to teach your students and get valuable feedback!

  • 60 Hour Level 5 Teaching Business English Course
  • 1-2 Modules One- Two

    Module One- The Principles of Teaching Business English

    In this module, you’ll learn the fundamentals of Teaching Business English, including the key motivations for these learners and how your role as the teacher can influence these lessons. You’ll also look at the type of language typically taught in these courses and how this differs from General English.

    Module Two- The Principles of Needs Analyses, Course Design, and Materials for Teaching Business English

    In Module 2, you’ll learn all about Business English syllabuses and how to understand and implement these in courses that you teach. You’ll also look at classroom management techniques and how to use materials for teaching Business English.



  • 3-4 Modules Three-Four

    Module Three- The Principles of Teaching Business English Skills

    In the third module of the course, you’ll look at the key skills in English and how to teach these in the Business English context. You’ll examine how these are important for Business English learners and how to adapt your materials to suit the needs of the learners for these skills.

    Module 4- The Principles of Teaching Business English Grammar, Vocabulary and English for Specific Purposes (ESP) 

    In Module 4, you will look more closely at how we teach grammar and vocabulary in Business English classes and how important these are for this context. You’ll also look at the branch of English for Special Purposes (ESP)  and what materials you might use if you decide to teach this niche of TEFL.

  • 5 Modules Five:

    Module Five- The Principles of Business English Lesson Planning

    In the final module of the Teaching Business English course, you will focus on incorporating everything you’ve learnt so far into lesson planning for this context. You will practise writing lesson plans for Business English classes and reflect on your work to make you a better teacher.


Highfields Qualifications

The TEFL Institute’s Level 5 accrediting body is the  (Highfield Qualifications). This qualification is aimed at those with little or no experience teaching English or those with previous experience seeking a recognised qualification to validate their knowledge. This qualification provides learners with a certificate recognised worldwide and can be used to secure teaching positions, visas and other employment related to English language teaching. For a more general overview of the units, we recommend Highfield Level 5 Certificate in Teaching as a Foreign Language (TEFL). To learn more about Ofqual or verify Highfield’s status, visit their website: Ofqual.

The Accreditation Council for Distance Learning:

An is accrediting body specialising in distance learning courses. Their ethos promotes the utmost standard of excellence among providers bearing a seal of approval assures students that ACDL-accredited educational providers offer the best in certified quality standards. The accreditation number is 2854-2540.

The Vital Consular:

What is this verification seal, and why is it different to an accreditation? The TEFL Institute is a verified UK TEFL provider, meaning that you can study any one of our courses with the knowledge that it will be fit for purpose when you need to use it overseas for your new teaching role. The Vital Consular verification scheme ensures that the members are all recognised by the UK Government. All certificates they issue can be used for an overseas work permit; not all TEFL providers meet these requirements!

This is extremely important if you’re travelling to China, Vietnam, Taiwan and other destinations where your documents will need to be legalised for your visa. If your certificate doesn’t get past the first stage of legalisation by the UK Government, you’ll likely have to start a new course, costing you extra time and money before you can even get things moving.

As a globally recognised TEFL provider, our academic team are responsible for developing and delivering a comprehensive range of accredited and government-regulated courses with extensive course material. The TEFL Institute has a reputation within the TEFL industry for its high calibre of training and for producing TEFL teachers of the highest standard. It is ranked as the number #1 training provider by employers worldwide.


The Open and Distance Learning Quality Council was founded in 1969 as the Council for the Accreditation of Correspondence Colleges, and it was renamed the Open and Distance Learning Quality Council in 1995.

The Council’s mission is to identify and improve the quality of education and training and protect learners’ interests.

The Standards define quality according to the Council. Open and distance learning providers who meet those standards can apply to the Council for accreditation.

Why Us

Because we care about your TEFL journey from the moment you decide you want to teach English as a foreign language. We want you to be well prepared, to have the right qualifications and all the skills necessary to realize all of your ambitions. The TEFL Institute assists you every step of the way and offer guidance to ensure you take the right course or internship that best suits your needs. From the moment you get in touch, we are here for you and you become a member of the TEFL Institute family.

Our Core Principles

Passion – Our team is passionate about travel, teaching and building lasting relationships with our clients. We are constantly generating new leads, creating new programs and internships, and generating new content to help meet our clients’ needs.

Genuine & Committed – We genuinely care about our clients and interns and are committed to providing them with personal one-to-one help from our dedicated and experienced team to ensure that his or her TEFL dreams are met.

Partnership & Collaboration – We work with a variety of other companies across the globe to create lasting relationships and partnerships to help service our clientele by providing them with opportunities to live and work abroad. We are continuously striving to create new and lasting partnerships to best serve our clients.

Integrity – We believe in doing everything with integrity and honesty. To uphold the highest moral standards in all we do to best serve our customers as a trustworthy and reliable source.

Frequently Asked Questions

What does Level 5 mean?

A Level 5 TEFL course is one that is regulated by Ofqual according to its qualifications framework. Another Level 5 teaching qualification is the CELTA (Certificate in Teaching English to Speakers of Other Languages). Once qualified with a Level 5 TEFL qualification, you’ll have access to the most competitive jobs worldwide.

What does regulated mean?

A regulated qualification means that it is officially recognised by the government and sits on the Ofqual Register of Regulated Qualifications.

What is a TEFL certification?

The “Teaching English as a Foreign Language” (TEFL) certificate is the most commonly accepted certificate worldwide. This certificate allows you to teach English to non-native speakers across the globe. The main qualifications to get a TEFL is to have the ability to speak English at a native level and then complete a course. You can complete a TEFL course either online or in a classroom. The courses vary based on the number of hours it takes to complete.

How do I get a TEFL certificate?

The minimum required worldwide is at least a 120 Hours of TEFL training.
You can choose between fully accredited TEFL courses, Government Regulated Level 5 TEFL courses or combined TEFL courses. View all our courses here.
Online TEFL courses are the most affordable & flexible way to launch your teaching career. This is a perfect way to study theoretical material at your own time & your own pace.
Combined TEFL courses offer both online & in-class studying. They are a fantastic opportunity to get two TEFL certificates (theoretical & practical). You will learn your theory from online material and then practice it with other teachers during the 10-hour practical session, accompanied and lectured by an experienced TEFL teacher.
Before you choose your TEFL certificate, be aware to check if:

• It is fully accredited & recognised worldwide.

• You will gain at least 120 hours of training.

• You will have a tutor’s assistance.

• It is approved by an official body, such as Highfield Qualifications & Ofqual in the United Kingdom.

• Make sure to check TEFL provider reviews on Google or

• You will have job support after completion.

What is the difference between TEFL/TESOL/CELTA?

TEFL – “Teaching English as a Foreign Language” certificate, is the most commonly accepted certificate worldwide. This certificate allows you to teach English to non-native speakers across the globe. The main qualifications to get a TEFL is to have the ability to speak English at a native level and then complete a course. You can complete a TEFL course either online or in a classroom. The courses vary based on the number of hours it takes to complete.

TESOL – “Teaching English as a Second Language”, aka TESL. Similar to TESOL students, as a TESL teacher, you would likely be teaching English in your home country to students who have moved or live in an English-speaking country. In other words, they are continuously surrounded by the language and will be using it every day outside of the classroom, unlike TEFL students who are likely learning in their home country.

CELTA stands for “Certificate in English Language Teaching to Adults” and is a prestigious certification. To receive a CELTA, you must complete a 120-hour course along with six hours of teaching real ESL students. The majority of the programs are held over one-month and are full-time. However, you may be able to find some courses that are part-time and are spread out over three months. The CELTA program must follow a strict regulations created by Cambridge University. Due to its intense nature and requirements, the cost tends to be much higher and can be up to €1700!

What does TEFL stand for?

TEFL stands for “Teaching English as a Foreign Language” – TEFL is the most commonly accepted certificate worldwide.

Which TEFL course to take?

Confused about which TEFL course to enrol in? Don’t worry, as long as you can speak English at a fluent or near-fluent level, then you are eligible to take one of the TEFL Institute of Ireland’s regulated TEFL courses.

Non-native speakers sometimes find the Ofqual Regulated Level 5 TEFL course quite challenging, and we understand it is essential for you to be sure that you are comfortable with your English language abilities before choosing which course to take. As a guide, we recommend that non-native speakers have a minimum IELTS 6.5 score. If you are unsure, you should take our FREE online level test below

Complete The TEFL Institute of Ireland’s FREE English Level Test, which has been designed to assist you with making this important decision. If you have any doubts, request a call, and we can discuss which course would suit your needs.

Do I need a Bachelor’s degree to take a TEFL course?

The great news is that you don’t need a degree to take a TEFL course! This is a common worry. Anyone with fluent English can enrol in one of our courses to become a qualified and confident English teacher.

It’s good to know that a degree is required in some countries to get a work permit, such as Japan and Korea, but there are many opportunities for those without a degree to be hired.

Even if you see an employer preference for degree holders, I still recommend applying as they may not get their full quota, and you may have many additional skills that will appeal to hiring managers.

What’s the difference between Accredited TEFL Courses vs Government Regulated Level 5 TEFL Courses?

Lots of people ask about the difference between our courses. For example, the 120-hour Premier TEFL course is what we would call one of our fast-track courses. This is the minimum recognised worldwide.

• You have 10 modules to complete, usually taking 4 – 6 weeks

• Each module has a multiple-choice test at the end, and you need 80% to pass

• You’ll get your digital certificate on completion and can buy a hard copy from us if you’d like one with an embossed logo immediately

Looking at the 180 Hour level 5 Ofqual-regulated TEFL course by comparison:

• Learners typically spend 10 – 12 weeks to complete the 11 modules

• Since it’s a UK government-regulated level 5 course, the pass mark is 100%, and assessments are multiple-choice plus open-ended answers. Don’t worry, you can re-attempt quizzes in order to get 100%. Our academic team will review your answers at the end of your 11 modules and may ask for some questions to be reattempted (absolutely normal). Some questions may require providing Academic references.

• You’ll get your digital coursework completion certificate from us after module 11. Following a successful assessment from our academic team, we’ll be able to claim the licence for your Ofqual (government) certificate from our accreditation body, Highfield.

The Ofqual-regulated course range is certainly for those people who want to gain a higher-level, more recognised qualification.

Read our blog to learn more about the Level 5 TEFL course here.

What are the benefits of completing a Level 5 TEFL Course?

If you are looking for a professional, globally recognised Government Regulated TEFL qualification; you should consider the online level 5 TEFL course. The Government Regulated Level 5 TEFL course is the same level as CELTA and Trinity Cert TESOL. Ofqual government-regulated (UK) Level 5 Highfield qualification.

The course has 180 hours of TEFL training, more than the minimum required, and it’s a higher standard course and, therefore, is more competitive.

What’s the age restriction to take a TEFL course?

There is none, really, we usually say that if you are over 16yrs old, you can start completing a TEFL course. If you are looking for jobs abroad, the minimum age requirement is 18 yrs old or higher.

Who are the ACDL?

The TEFL Institute is accredited by the Accreditation Council for Distance Learning (ACDL), an accreditation body specialising in distance learning courses. Thus our accreditation by ACDL reflects the high-quality distance learning offered by the TEFL institute.

ACDL – Accreditation number: 2854-2540

To learn more, visit their website: ACDL

What's Ofqual stand for?

The Office of Qualifications and Examinations Regulation.
Regulation (Ofqual) regulates qualifications, examinations and assessments in England and vocational qualifications in Northern Ireland.


Am I too old to teach English abroad?

You are never too old to gain new qualifications. Some employers might have age restrictions, but others won’t. There are always options to teach English from home, private tutor, and online tutor.

Do I need to speak another language to teach English abroad?

No, it is not necessary to know other languages. You can find a job and work comfortably without knowing the language spoken in that country. The real question is, should you try to learn a foreign language? The basic language is always a plus, and we recommend learning a few phrases before you move abroad. Learn to say Hi, Thank you, Goodbye, and Sorry. You’ll survive if you can order a meal and pay for that meal without automatically handing over the biggest bill in your wallet (whilst looking adorably confused).

Which course to take if I only would like to focus on teaching English online?

If online teaching is your primary goal, we recommend at least the 180 Hour TEFL training. If you would like to specialise in specific categories, you can upper your qualifications by adding 30 hour specialist courses such as:

• Teaching Young Learners

• Teaching Business English

• Preparation for IELTS Exam

• Preparation for TOEIC Exam

And, of course, adding our 30 hours Teaching English Online course is a huge benefit as it focuses on preparing you (the teacher) on how to enter the online tutoring world.

Please see the full FAQs through this link:

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Introducing our level 5 TEFL Diploma

English Level Test

Take the English level test to see which is the best course for you.
take the test

Best for

We recommend this course over the other courses if you are:

  • Over 17 and would like a professional qualification
  • Interested in teaching English as a Foreign language at the top schools and companies online and abroad
  • Interested in perfecting your English grammar
  • Interested in teaching specialist courses such as online or Business English

Flexible and engaging

Packed with interactive quizzes and videos, this accredited Online TEFL Course will give you all the training you need to become a professional TEFL teacher in multiple categories of TEFL teaching. The course is accessible from any device, 24/7, and can be completed using the world’s first TEFL app.

Easy employer verification

Employers can check and verify the qualifications of any TEFL Institute teacher online via the employer’s verification page, giving them the confirmation that your TEFL qualification is official.

Competitive salary, secure employment

To earn a competitive salary and secure employment, TEFL employers expect at least 120 hours of TEFL tuition for teachers. This course offers far more than the basic standard and can open up opportunities for multiple specialist teaching positions and the highest-salary TEFL jobs online and abroad. Embark on a new journey with a lifetime qualification that will take you around the world and give you the ability to teach English as a foreign language in multiple categories.

The only requirement to complete our 300 Hour level 5 advanced online TEFL diploma is a good command of the English language (minimum level c1) and a working device.


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Verified Student Reviews

Out of 1570 global reviews
Based on 1996 reviews
Based on 100 reviews
Thank you for a great moment of learning process! I thoroughly enjoy the material and discussion session.
Cut F.
03:07 23 May 24
So happy after receiving my diploma in an email from Olivia! I very much enjoyed the experience completing my level 5 course, I have learned a lot and I feel prepared to start working as an English teacher. Thank you!
Catherine S.
14:32 22 May 24
I recently attended a Webinar hel by Jessica and Walter. It was extremely interactive and I found the information relayed by both very useful. Both were patient, upbeat and had all relevant information readily available when asked a question. Very worthwhile.
Robbie M.
12:37 22 May 24
I have enrolled for a course with TEFL institute today, so cannot comment on the course yet. But what is worth mentioning is very competent pre-purchase guidance. I filled in a "call-me-back" form not hoping for much response, but soon was surprised by an actual phone call from Ireland from one of the instructors, Walter Cullinan (I'm in South Africa by the way). He gave me some honest and competent feedback on my points of interest, provided some further comments through timely email interaction and I ended up signing up for the course.
Liliya G.
10:16 22 May 24
It was very good!
Niclas L.
08:48 22 May 24
I recently completed the TEFL course Level 5 with The TEFL Institute Ireland and overall, it was a positive experience (it was rather tough, though :))) ) Instructors were supportive and knowledgeable.I'm also grateful for the ongoing support provided by The TEFL Institute Ireland even after completing the course. The availability of numerous webinars aimed at assisting graduates in finding employment opportunities is highly appreciated.Today's webinar by Jessica and Walter was very informative and interesting.
Salome G.
18:23 21 May 24
The webinar with Jessica and Walter was brilliant. They introduced some teaching opportunities in Europe, patiently answered every question, gave useful practical advice. All in friendly and supportive environment.
Emese T.
17:23 21 May 24
I just attended the webinar Teaching English in Europe: What You Need to Know, hosted by Jessica & Walter. It was informative and very helpful. I was very happy to learn about all of the options for TEFL teachers in Italy, particularly the increasing demand for private teachers.
17:01 21 May 24
I've recently begun my 300+ Hr Level 5 certification and the lessons are clear and straightforward. The process to enroll was also simple and straightforward. TEFL Institute, including specialists and advisors such as Jessica Jeffery and Walter Cullinan, gives its students adequate support/help to complete their certification as well as giving guidance when looking for work overseas. I would highly recommend.
Patrick C.
16:53 21 May 24
The webinar took about 45 mins and was quite informative. Jessica and Walter were very open and helpful. Due to time constrains, not every questions was answered but considering it was only 45 mins - it was optimal.
16:47 21 May 24
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TEFL Diploma 3-Day Free Trial

Do you want to know what to expect from an online TEFL Diploma?

With our free trial you will have unlimited access over 3 days to a sample of real course modules. Try our interactive learning and feel confident to enrol on this Level 5 TEFL course.

Start 3-Day Trial

Limited Time TEFL Offer


What’s Included

300 hours of Level 5 online Diploma TEFL training
Highfield Level 5 TEFL Diploma PDF Included
60 Hour Level 5 Award in Online & One-to-One teaching
60 Hour Level 5 Award in Teaching Business English
Level 5 - CELTA Equivalent Training
Letter of reference from TEFL
Internationally recognised certificate
30 Hour Advanced Grammar Course
  • days
  • hours
  • minutes
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Free Resources

Free 12 Hours Live TEFL Zoom Classes worth £89.00

Free Teaching English Online Course worth £45.00

24/7 Access

Personal Tutor Assistance

Digital Certificate

Dedicated mentorship

Meet your instructors

You’re not in this alone, as part of this course you’ll be matched with a mentor from our academic team. Mentors are CELTA & DELTA qualified, and have at least 4 years of teaching experience. Whenever you will need help our tutor team is there to guide you. create alongside them, and receive weekly live & asynchronous feedback on real-world projects.

  • Luke

    Academic Assessor
  • Sian

    Academic Assessor
  • Rachel

    Academic Assessor & Tutor
  • Jacob

    Academic Director
  • Jenny

    Academic Assessor
  • Laura

    Academic Assessor
Start teaching in as little as four weeks. Discover how much you can earn

TEFL Accreditation with The TEFL Institute

Ranked Number #1 TEFL Trainer by Schools and Employers Worldwide

Ofqual is responsible for regulating education standards, certifications and exams in England and Wales. According to Ofqual’s qualification framework, a regulated level 5 Teaching English as a Foreign Language (TEFL |)qualification means that it has been assessed as a level 5 course. This qualification is of equal achievement and difficulty to the same level, including CELTA and Trinity CertTESOL qualifications. Highfield Qualifications is an Ofqual regulated awarding body that has approved The TEFL Institute as a training centre. You can view the TEFL Institutes current status on the Ofqual register here.

Regulated by Highfield
Curriculum Approved Centre
(Open & Distance Learning Quality Council)

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