✨ #1 accredited TEFL course provider
Best for Higher-Paid Positions Premium Certification

300-Hour Level 5 Advanced Diploma TEFL Course

  • Advanced Level 5 TEFL qualification
  • Designed for experienced or career-focused teachers
  • Internationally recognised certification
  • Ideal for long-term professional teaching careers
<

Perfect for
Teaching Leaders

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

Earn a globally recognised qualification aligned with the European Qualifications Framework (EQF), open to individuals worldwide. Regulated by Ofqualour 300-Hour Level 5 Advanced Diploma is the highest level of TEFL certification offered by the TEFL Institute. Comparable to a TEFL Diploma of Higher Education (DipHE) or a Foundation Degree, this prestigious course equips you with the skills and expertise needed to teach English in diverse settings—whether online or abroad—with top-tier schools and organisations.

As one of the most advanced TEFL qualifications available, the Level 5 TEFL Diploma is highly regarded by employers worldwide. Its rigorous training, assessed at the same level as CELTA, demonstrates your dedication to excellence in teaching and enhances your CV, ensuring you stand out in the competitive TEFL job market.

What You'll Get

300-Hour Level 5 Advanced TEFL Diploma
Personal Tutor Support
Internationally Recognised Digital Certificate
Free Jobs Coaching Seminars
Study Using the TEFL App
Lifelong Certification & Reference Letter
6 Months Course Access
2 x 60 Hour L5 Awards in Niches of your choice
Higher Earning Potential and Career Progression
Free Certified Course Bundle worth €685
Included with Your Purchase

  • 30 Hour Teach English Online
  • 30 Hour Teach Young Learners
  • AI / Chat GPT Mastery Guru
  • 30 Hour Advanced Grammar for TEFL Teachers
  • 29 hrs of Weekly TEFL Mentorship (Online)

About This Course

We understand that 300 hours of study might sound like a lot. But, with 6 months to complete your course, and support from experienced tutors along the way, you’ll have everything you need to succeed. Simply log in to our online learning platform to access your course and study at your own pace. You can complete this course in 12-14 weeks. You will have 24/7 access to our online study platform, plus we have a TEFL on the go app which makes it easy to study material from your phone.

English Level Test

Take our test today and we'll match your abilities and goals to your ideal teaching English course.

Salary Calculator

Calculate your potential earnings & discover how much money can you make teaching online.

Who can take this course

  • Native or fluent in English, with strong communication skills
  • Interested in teaching English online or in non-native English-speaking countries
  • Aged 17 or older and looking to earn a professional qualification
  • Keen to get certified quickly and start teaching within a month

What You'll Learn

Module 1: In order to teach grammar, a TEFL teacher needs to be comfortable and understand it themselves! This is why we provide a comprehensive overview of grammar in the English language. If you’re not an expert on grammar before the course, you will be when you finish Module 1!

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

Teaching English isn’t all about grammar, teaching vocabulary is important too. In this module, you’ll learn about the different groups of vocabulary that we teach, how students learn new words best and the most effective techniques that we use as teachers to teach new vocabulary in the classroom.

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

In the world of TEFL, there are different lesson structures and methodologies we use. It is likely that employers will expect you to be able to employ some of these methodologies when you teach your lessons. In this module, you will learn about the most common TEFL teaching methodologies; how they work and how to implement them!

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

Another side of TEFL teaching is teaching students the necessary skills they need to be able to use the language. In this module, you will learn about techniques and activities to use to maximise the student’s use of receptive skills (listening and reading!).

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

Once you’ve mastered teaching reading and listening, we move onto how to teach the productive skills: speaking and writing! These are essential skills for students. In this module, you will learn how to help your students master these skills and become more fluent in English.

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

Pronunciation is key in language learning. If students can’t pronounce things coherently, they can’t be understood which defeats the whole purpose of speaking another language. In this module, you will learn how to teach pronunciation, why it’s important and what techniques and methods you can use to be able to do this with success in the classroom.

Qualification number: 600/0000/A
Unit level: Level 5 Diploma
Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
Credit value: 2
Guided learning hours: 14

Pronunciation is key in language learning. If students can’t pronounce things coherently, they can’t be understood which defeats the whole purpose of speaking another language. In this module, you will learn how to teach pronunciation, why it’s important and what techniques and methods you can use to be able to do this with success in the classroom.

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

Teaching TEFL is about much more than simply teaching grammar or skills. It’s important that the teacher can manage their classroom and create an effective learning environment for their students. In Module 8, you will learn what you can do to make your lessons more efficient and how students can get the most out of their time with you, maximizing their learning experience.

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

You will gain a comprehensive understanding of the core principles and motivations that drive the teaching of adult learners, both online and in-person. You will explore various strategies and ideas for effective online lesson planning tailored to adults, and learn how to critically evaluate these plans to ensure they meet learners’ needs. By the end of the module, you will be equipped with the skills to create engaging and effective online lesson plans specifically designed for adult English language learners.

Qualification number: 600/0000/A
Unit level: Level 5 Diploma
Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
Credit value: 3
Guided learning hours: 19

Being able to teach young learners (normally children between 6-13 years old) is a speciality in TEFL, which will unlock more jobs for you worldwide. In this module, you will learn about considerations for teaching children, how to manage your classes and motivate them.
You will also carry on your lesson planning skills and plan some lessons for this age group.

Qualification number: 600/0000/A
Unit level: Level 5 Diploma
Owner acronym: Highfield Awarding Body for Compliance Limited t/a Highfield Qualification
Credit value: 3
Guided learning hours: 19

As part of this advanced diploma, choose two 60 Hour Level 5 specialist courses from four in-demand TEFL fields.

Available Specialist Options & Learn More About Them here:

Each specialist course includes 5 focused modules covering teaching principles, learner needs, materials, and lesson planning.

Download Full Syllabus
Stay Balanced and Inspired

Stay Balanced and Inspired

Download the Wellness Advice Guide for TEFL Teachers

Download Now

Accreditation & Partners

Free Resources and Guides:

TEFL Diploma 3-Day Free Trial

Experience firsthand the engaging content of our interactive Level 5 TEFL Diploma. Try it & see why so many choose our courses.
Start Your Trial

300-Hour Course Guide

Learn more about this course, inside this guide is a description of each module, student feedback & comparison with our other TEFL courses.
Download Now
4.8 TrustScore
4.9 Rating
Enrol for just
Original price was: €875.00.Current price is: €375.00. Save 57%

Optional Add-ons

6 in 1 Specialist power pack bundle
TEFL plus
Spread this purchase over 2 interest-free payments; Pay today with credit/debit card.
Fetching installment breakdown details fetching deposit details
Select Two Courses
Choose your 60 Hour Courses
  • 60 Hour Level 5 TEFL in Teaching Online & One-to-One
  • 60 Hour Level 5 TEFL in Teaching Other Subjects in English (CLIL)
  • 60 Hour Level 5 TEFL in Teaching Business English
  • 60 Hour Level 5 TEFL in Teaching English for Exams
Enrol Now See What You'll Learn
Buy now, pay later with
(14-day money back guarantee)
Cut Off Date: Friday, 22nd May 2026
Days
Hours
Minutes
Seconds

Take a look at your future accredited TEFL course certificate

Hear from Our Students

See what our satisfied students have to say about their TEFL experience with The TEFL Institute of Ireland.
Accredited &
approved
Lifetime
support
Learn on any
device/app
Payment
plans
Jobs board
access

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.

Yes. You can complete the course fully online from anywhere in Ireland. It’s a flexible option for those balancing work, college, or family while working towards a serious teaching qualification.

This course is ideal for people who are not just “trying TEFL”, but planning to teach long-term. If you’re aiming for better schools, stronger contracts, or more stable career outcomes, the additional hours and depth are worth it.

You can take this course as a non-native English speaker, as long as your written and spoken English is at B2 level or above. Because this is Level 5 training, you should feel comfortable reading course content, writing assignments, and using professional teaching terminology. Test your English Level today and see if you can complete this course. This test is free of charge, and you can check it here: English Level Test.

Yes. Use the comparison table below to see what each course is designed for, how long it takes, and what makes it different.

TEFL Course Comparison: Compare our course pathways to find the option that best matches your goals, timeline, and confidence level.

Course Best For Course Type Ideal For Study Time Key Difference
120-Hour TEFL Course Beginners Fast-track Adventurers 2–4 weeks Entry-level qualification, ideal for online teaching and first-time roles.
240-Hour Professional TEFL Course Career switchers Professional certification Digital professionals 4–6 weeks 120-hour TEFL plus 4 specialist courses to boost employability.
180-Hour Level 5 TEFL Diploma Confident beginners High-level certification Long-term planners 6–8 weeks UK-regulated Level 5 qualification with stronger recognition and better job prospects.
300-Hour Level 5 Advanced Diploma Higher-paid roles Premium certification Teaching leaders 8–10 weeks Level 5 Diploma plus advanced specialist training for long-term career growth.
190-Hour Hybrid Level 5 TEFL Course Career-ready teachers Employer-ready training Classroom confidence 6–8 weeks Level 5 Diploma plus a 10-hour live teaching practicum (via Zoom) to build confidence.
310-Hour Hybrid Advanced Diploma Advanced TEFL careers Premium hybrid Global teaching careers 8–10 weeks Highest-level pathway: Level 5 Diploma, live practicum, and niche specialisations.
10-Hour Practical Teaching Course Confidence seekers Add-on practicum Classroom experience 1 day Live practical teaching to gain real classroom experience and confidence.

A Level 5 qualification sits on the UK Regulated Qualifications Framework (RQF). In practical terms, it means the course is structured and assessed to a recognised academic level, and it’s widely trusted by employers and institutions internationally.

Ofqual is the UK government body that regulates qualifications. Highfield is the awarding organisation that issues the regulated qualification. When learners see both names, it’s a signal that the course is independently quality-assured rather than self-declared by a provider.

Yes. A Level 5 diploma is widely recognised internationally. While different countries and employers have different hiring requirements, a regulated qualification generally carries stronger credibility than low-cost certificates.

The 300-hour course is designed as a premium pathway. Alongside your Level 5 training, you receive additional advanced specialist learning to increase employability and teaching confidence, especially if you want to teach online, teach specialised learners, or move into higher-level roles.

Most learners complete the 300-hour course in 8–12 weeks when studying part-time. If you have more time available, you can move faster, as the course is self-paced.

For long-term careers, yes. A 120-hour TEFL certificate is a good entry point, but the 300-hour option is designed for higher confidence, broader knowledge, and stronger job applications—especially in competitive markets.

Yes. The more advanced your training, the easier it is to position yourself for higher-quality online roles. The 300-hour option also helps if you want to target niches like exam preparation or professional learners.

Because one size does not fit all. Some learners want to qualify quickly, others want a regulated diploma, and others want advanced training and stronger career prospects. Our packages are built to reduce the need for add-ons later and help you choose a complete pathway from the start.

Absolutely. If you answer a few quick questions or book a free call, our team will recommend the best course based on your goals, timeline, and confidence level.

View All FAQs
0
    0
    Your Cart
    Your cart is emptyBrowse Courses