Trinity CertTESOL or 420-hr TEFL

Which course is right for you? We can help you decide!

Picking the right course can be a tricky business. There are so many different options to choose from and we understand that it can get confusing. And now, with the addition of our amazing Trinity CertTESOL qualification, we wouldn’t be surprised if you needed a hand deciding which course is right for you.

If you do, don’t worry, we’ve got your back! Keep reading to find out which of our advanced courses, the 420-hour Advanced TEFL Diploma or the Trinity CertTESOL, will help you achieve all of your teaching and travelling dreams!

Which one will you choose?!

It’ll get you qualified to teach in English-speaking countries (like the USA, UK, or South Africa)
You’ll meet other aspiring teachers on your course
It has pre-planned, live lessons with an experienced tutor, who will take you through the material
You can complete it in as little as 14 weeks
You’ll get practical teaching experience
It’s accredited by Trinity College London
It’s regulated by Ofqual
You’ll be able to start earning while you’re studying
You can study the course whenever you want, to fit around your existing schedule

As you can see from the table above, although the Trinity CertTESOL and 420-hr Advanced TEFL Diploma might seem quite similar, in reality they are very different!

So, which one is right for you?

The Trinity CertTESOL courseis your perfect match if you…

  •  Are looking for tutor-led lessons
  •  Want to learn as part of a group
  •  Want to be able to teach English in English-speaking countries (like the UK, USA or Australia) as well as non-English-speaking countries (like Vietnam or Japan)
  •  Want to turn teaching into a long-term career
  •  Are looking for practical teaching experience with non-native English speakers
  •  Want to make serious money from teaching English

The Advanced TEFL Diplomais the course for you if you…

  •  Want to be able to study around your existing schedule, without a specific timetable to follow
  •  Want to teach English exclusively in non-English-speaking countries (like Thailand and South Korea)
  •  Are looking to start teaching ASAP (as you can start teaching while you’re still studying!)
  •  Would like to teach IELTS

Find Out More About The Courses!

Trinity CertTESOL Level 5 Part-Time Course

Teach English

TEFL Advanced Diploma 420-Hour Online

Teach English
across the globe
Sales team


Simply pop your details below to receive your exclusive discount code.


How much money could you earn?

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  • What’s included in all of our courses?
    • Flexible online training
    • Internationally recognised qualification
    • Ofqual (UK Government) regulated training
    • DEAC (US Government) approved training
    • Support from DELTA qualified tutors
    • Job seeker support
    • Access to our Jobs board with over 7,000 TEFL/TESOL positions
    • 99% pass rate

    Enrol today and you could be earning great money as an English teacher in no time!

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  • How much you could earn as a TEFL/TESOL teacher?

    Use our Salary Calculator and receive an estimate of your earnings as a TEFL/TESOL teacher working online or abroad in under 2 minutes – it could be much higher than you think!

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  • Wondering how to find your perfect TEFL/TESOL job?

    We have an amazing Jobs Support Team who are here to help you every step of the way.
    So, where do you start?

    • 1. Get TEFL/TESOL qualified – just pick the TEFL or TESOL qualification that’s right for you and get started! If you need some help deciding you can arrange for a free call back from our helpful Course Experts!
    • 2. Choose your destination – the world is your oyster! Choose from amazing destinations abroad or choose to teach from the comfort of your own home.
    • 3. Create an amazing CV – we have a number of blogs to help guide you through it, and our brilliant jobs team are there to check your CV/resume when you’re done!
    •  4. Apply for Jobs/Go on a TEFL internship – We have over 7,000 positions in 20+ countries so with FREE access to our Jobs board on and a dedicated Jobs Team here to help you, what are you waiting for? Alternatively, you could skip the interviews and go for one of our TEFL internships; a choice of paid positions, with in-country support throughout – stress-free!
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Find Us

i-to-i TEFL
4th Floor, Wilson House, Lorne Park Road,
Bournemouth, England, BH1 1JN,
United Kingdom

i-to-i TEFL is a part of Teach and Travel Group Ltd.
Registered Company No. 7935847.