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TEFL Certification Explained: Hours, Accreditation, Cost

What a TEFL certificate is, what 120 or 168 hours really mean, how to read accreditation claims and what to check on price before you book a course.

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A TEFL certificate shows that you have completed a course in teaching English as a foreign language. It is the most common entry ticket for online English tutoring and for many language schools abroad, but it is not one standard qualification: TEFL is a generic label, and what sits behind it depends on the provider. That is why the useful questions are about hours, teaching practice, assessment and accreditation, not about the word TEFL itself.

What TEFL means and what it does not

TEFL stands for Teaching English as a Foreign Language. You will also see TESOL (Teaching English to Speakers of Other Languages), which is used in a very similar way. Neither term is owned by an authority. Anyone can sell a “TEFL course”, which is why the market ranges from short weekend courses to regulated qualifications with assessed assignments.

CELTA is different: it is a specific Cambridge English qualification with a fixed format and external moderation. If you are deciding between the two, read TEFL vs CELTA first.

How to read course hours

Providers describe their courses in hours: 120, 140, 168 or more are common figures in course listings. These numbers are the provider’s estimate of total study time. They are not a legal norm, and two 120-hour courses can differ a lot in depth.

What you see What to ask
“120-hour TEFL” Is there tutor-marked work, or only automated quizzes?
“168-hour Level 5” Is it on a national qualifications register you can search?
“Includes teaching practice” Is it with real learners, observed and given feedback, or peer practice with other trainees?
“Lifetime access” Is there a deadline for assessment and certificate issue?

Around 120 hours has become a common minimum in job ads for online platforms and schools abroad. Shorter courses can be a taster, but they are less likely to satisfy an employer who asks for TEFL.

Accreditation: the part to read slowly

Because there is no central TEFL authority, providers point to different kinds of accreditation:

  • Regulated qualifications. In England, some TEFL courses are qualifications at Level 5 on the Regulated Qualifications Framework, awarded by an awarding organisation and listed on the Ofqual register. You can search the register yourself.
  • Recognised accreditors for education providers. Some providers mention national or sector accreditation bodies. Check that the body exists independently and lists the provider on its own website.
  • Self-created or unclear bodies. Logos from councils that you cannot find anywhere except on TEFL sales pages are a warning sign.

A regulated Level 5 course is not automatically better for every goal, but it gives you something verifiable to put on your CV.

Observed teaching practice

Online-only courses teach the theory well, but schools often care whether you have stood in front of learners. Some courses add a classroom weekend or practice sessions; the format differs by provider. Teaching practice with feedback from an experienced trainer is the closest a TEFL gets to CELTA-style training. If you plan to teach in a school abroad, this element is worth paying for. If you plan to teach one-to-one online, it is useful but less often required.

What a TEFL course costs

Prices change frequently, sales are common and the same course can be sold at very different prices within a few weeks. As a rule, cost rises with:

  1. more hours and a higher qualification level,
  2. personal tutor feedback instead of automated marking,
  3. live or classroom teaching practice,
  4. job support such as CV reviews or job boards.

Compare what is included at the date you book. Our comparison of online TEFL courses looks at providers by these criteria rather than by price alone.

Who TEFL suits

  • Future online tutors: a 120-hour TEFL is often enough to get started, alongside a good profile. See how to become an online language tutor.
  • Gap-year and early-career teachers abroad: a TEFL with some practice, combined with a degree, opens many entry-level jobs. Requirements vary by country, see teaching English abroad.
  • Career language teachers: if you want to move into senior roles, Business English or teacher training later, a CELTA or a regulated higher-level course tends to carry more weight.

Before you book

  • Write down your goal: country, online or classroom, adult or young learners.
  • Check two or three job ads in that market for the exact wording they use.
  • Verify any accreditation claim on the accreditor’s or register’s own website.
  • Ask how assignments are marked and how long you have to finish.
  • Keep the course syllabus; employers sometimes ask what you covered.

A TEFL certificate is a starting point. Most teachers add to it later through specialisms and professional development.

Frequently asked questions

Is a TEFL certificate a recognised qualification?

TEFL is a general term, not a protected title. Some TEFL courses are regulated qualifications on a national framework, such as Level 5 courses listed on the Ofqual register in England, while others are simply a provider’s own certificate. Employers mostly look at hours, practice and the provider’s reputation.

Do I need a degree to take a TEFL course?

Most providers accept learners without a degree. Whether you can then get a job without one depends on the employer and, for jobs abroad, on visa rules, which often require a degree.

How long does a 120-hour TEFL course take?

The hours are a provider’s estimate of study time, not clock hours you must log. Many people finish self-paced online courses in a few weeks part-time, but providers usually allow several months.

Can non-native speakers get TEFL certified?

Yes. Providers generally ask for a high level of English rather than native-speaker status. Some employers and visa schemes still prefer native speakers, so check the job market you are aiming for.

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