Where Do I Start with ESL Certification?
If you’re Googling “how to teach abroad,” you’ve probably already felt overwhelmed by the flood of TEFL ads, TESOL programs, and ESL blogs. Let’s simplify it! In this guide, we’ll walk you through the basics of ESL certification, so you can start planning your journey with confidence.

Key ESL Terms You Should Know for Teaching Abroad
Before we jump into choosing the right ESL certification, here’s a quick breakdown of some common terms in the world of teaching English abroad:
- TESOL: Teaching English to Speakers of Other Languages.
- TEFL: Teaching English as a Foreign Language, typically used for non-native English speakers.ESL: English as a Second Language, for programs designed to teach English.
- CELTA: Certificate in English Language Teaching to Adults, created by Cambridge, focused more on adult learners.
- DELTA: Diploma in English Language Teaching to Adults, a high-level qualification that’s often for career ESL educators.
- Accreditation: This is the quality assurance for your certification, ensuring it’s recognized internationally.
By knowing these terms, you’ll feel more confident as you dive deeper into ESL certification options and start comparing different programs.

What Is a TEFL/TESOL Certification, and Which Should You Choose?
TEFL (Teaching English as a Foreign Language) and TESOL (Teaching English to Speakers of Other Languages) are two of the most popular certifications for teaching English abroad. They are very similar, with TEFL often focusing on grammar and structure, while TESOL leans toward conversational, communicative teaching.
Both certifications are widely accepted across the world, and completing one opens up teaching opportunities in countries like Japan, Thailand, South Korea, and many others. At TravelBud, our TEFL/TESOL certifications are internationally recognized, so you can use them in the UK, Canada, Asia, and beyond.
What’s the Difference Between TEFL/TESOL and CELTA/DELTA?
Here’s the breakdown:
DELTA: Think of DELTA as an advanced degree in ESL. While a DELTA certification can deepen your ESL expertise, it’s typically pursued by those wanting to build a long-term career in teaching English as a second language.
CELTA: Created by Cambridge English, CELTA is a specialised course focused more on teaching adults. It’s offered exclusively in-class and is accepted internationally, but it’s best suited for those aiming to teach adults. For teaching children, TEFL or TESOL is often more practical.

Types of ESL Certificates: In-Class vs. Online
When choosing a certification, one major decision is whether to do an In-Class or Online TEFL/TESOL course.
Here’s a quick comparison:
- Online Certification: Ideal if you need flexibility. Online TEFL/TESOL certifications allow you to learn from home, usually at your own pace, and still earn an internationally recognized certification. These are widely accepted, but check if the country you plan to teach in requires an in-class component.
- In-Class Certification: This type involves hands-on learning, usually at a training center. It often includes real classroom practice, which can be beneficial for building confidence before you start teaching abroad.

Do You Need a TEFL/TESOL Certification to Teach Abroad?
The short answer: yes. Most countries and schools require a TEFL/TESOL certificate to ensure teachers are prepared to manage a classroom of non-native English speakers. Even if you have a degree in Education, a specialised TEFL/TESOL course will give you the tools and methods you need to teach ESL students successfully.
However, requirements vary. For example, in Vietnam, an in-class certification is required for certain schools and work permits. If you’re committed to a specific country, research their ESL requirements first. Or, if you’re flexible, choose the certification that suits you best and explore your options afterward.
Common ESL Certification Myths
Let’s clear up a few common misconceptions about teaching English abroad:
Myth: You need a degree in Education to teach abroad.
Reality: While it can be helpful, a degree in any field is often sufficient, and some countries don’t require a degree at all.
Myth: A TEFL certificate is only valid in certain countries.
Reality: An internationally accredited certificate is accepted worldwide.
Myth: TEFL/TESOL certificates expire.
Reality: Once you’re certified, you’re certified for life!

What’s Next? Get Started with TravelBud!
Now that you’ve got the basics down, it’s time to take action! TravelBud’s team of advisors has all taught abroad, so they understand the journey and are here to help you get started. All you need to do is fill out our quick enquiry form. We’ll help match you with the best certification for your goals and guide you through your next steps in planning your teach-abroad adventure.
Ready to explore the world and make a difference as an ESL teacher? Fill out our enquiry form and start your journey today!
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TEFL/TESOL
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