TEFL vs CELTA: Which Certificate Should You Get?

Choosing your first teaching qualification feels like a big decision — and it is. This guide walks through the real differences between a 120‑hour TEFL and the classroom‑based CELTA so you can pick the path that actually gets you teaching.

Cost and time: what you’ll actually pay

TEFL courses (the reputable 120‑hour kind) typically cost from around R2,000 with good providers, and can be completed online at your own pace. That makes TEFL both affordable and flexible: you can study evenings or finish a course in a few weeks if you make it a priority.

CELTA is a Cambridge‑run Level 5 qualification and usually costs roughly £1,300–£2,000 depending on where you study. It’s delivered as a 4–5 week full‑time intensive (or an extended part‑time blended format). Factor in travel, accommodation and lost earnings for a full‑time CELTA and the total cost can be significantly higher than an online TEFL.

If budget and time flexibility matter, TEFL is the clear winner. If you can commit 4–5 weeks and the upfront cost isn’t a barrier, CELTA’s value is its structured, in‑person training.

Teaching practice and preparation for the classroom

The single biggest practical difference is teaching practice. CELTA requires a minimum of 6 hours of observed teaching practice with real students, with detailed tutor feedback. That experience is intensive, supervised, and designed to make you classroom‑ready from day one.

Most online TEFL courses do not include observed teaching practice — they focus on methodology, lesson planning, grammar and classroom management theory. That doesn’t mean TEFL graduates can’t teach; it means they will usually gain real classroom experience on the job rather than during training.

If you want structured, observed practice before your first paid role, CELTA provides that. If you are confident learning on the job or plan to start with online teaching platforms, a quality 120‑hour TEFL will do the job.

Where each certificate is accepted (market reality)

Market	TEFL (120hr)	CELTA
Online platforms (Preply, iTalki, Cambly, VIPKid)	✅	✅
South Korea	✅ (with degree)	✅
Vietnam	✅	✅
Thailand	✅	✅
China	✅ (with degree)	✅
Japan	⚠️ Some schools require CELTA	✅
Spain / France / Italy	⚠️ Varies by school	✅ Preferred
British Council	❌	✅ Required
International schools	❌ Usually need PGCE/QTS	⚠️ Often need CELTA + experience

For the vast majority of online roles and teaching markets in Asia, Latin America and Africa, a 120‑hour TEFL will be accepted. CELTA’s advantage shows up in the UK/EU market, prestigious academies and some specialist roles.

Who should choose CELTA vs who should choose TEFL

Choose CELTA if:

You are targeting positions that explicitly list CELTA/Cambridge qualifications (British Council, some EU schools, parts of Japan).
You want intensive, supervised classroom experience before you start teaching paid lessons.
You can commit 4–5 weeks full‑time or the part‑time blended equivalent.

Choose TEFL if:

You need a low‑cost, fast route into teaching (especially online or in Asia/LatAm/Africa).
You plan to work while studying or want the flexibility to finish at your own pace.
You intend to teach online platforms where demonstrated teaching practice is less important than student reviews and experience.

The bottom line

For roughly 90% of new teachers the practical choice is a high‑quality 120‑hour TEFL: it’s cheaper, faster, and accepted by almost all online platforms and many in‑country employers. CELTA is the right choice when you need the formal classroom training it provides and you’re specifically targeting British Council or prestige EU roles.

If you’re unsure, a sensible pathway is: complete a reputable 120‑hour TEFL, get paid teaching experience, then upgrade to CELTA later if you need the credential to access specific markets or roles.

If you’re ready to start now, check our TEFL certification packages — The TEFL Support Lady offers an internationally recognised 120‑hour TEFL from R2,000 that prepares you for online and in‑country roles.