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TESOL Certification United States

TEFL / TESOL Certification for the United States and Beyond!

Recognized Worldwide Since 2003

Institutionally Accredited by ACCET
– U.S. Department of Education Recognized Agency –

Recognized by TESL Canada and TESL Ontario
Academically Equivalent to CELTA and Trinity CertTESOL

Get Your TEFL / TESOL Certification with OnTESOL to Teach English Worldwide

Academically equivalent to the UK-based CELTA, the online TEFL / TESOL certification courses offered by OnTESOL will give you the credentials and lesson planning skills that you need to qualify for English teaching jobs worldwide.

Get certified to teach English immersion in the United States, go abroad, or become an online ESL teacher! OnTESOL offers a wide range of advanced and specialist TEFL / TESOL certification courses to help you get started as an ESL teacher or further your teaching career.

Learn to use a variety of ESL lesson planning frameworks under the umbrella of the Communicative Language Teaching (CLT) method. All our courses include advanced lesson planning assignments to prepare you for a successful international career.

Leaders in online TEFL / TESOL training since 2003!

OnTESOL is Accredited by

OnTESOL is Accredited by ACCET

Our Best TEFL Course for the United States:
168-hour Hybrid TEFL Certificate ($320 OFF)

Get all the benefits of an in-class TEFL / TESOL certification from the comfort of your home. Study TEFL / TESOL online at your own pace, attend live workshop-style lectures via Zoom, and earn 3 specialists on teaching young learners, teaching ESL online, and teaching English in foreign countries.

This online TEFL / TESOL certification program will prepare you for teaching jobs and career advancement opportunities in the United States and internationally.

New ESL teachers who want to teach English at language schools in the United States.

Licensed public K-12 teachers and university professors working with ESL students.

Teachers returning to the USA from a gap-year experience abroad who need TESOL certification to teach English in the United States.

Entry-level teachers going abroad who want to learn advanced lesson planning skills to be better prepared for any classroom situation in the world.

Our Most Affordable Online TESOL Certification with Tutor Support

The 120-hour Advanced TESOL Certificate is a self-paced online TESOL course that includes comprehensive training in grammar, phonology, and methodology. By the end of this course you will know how to plan ESL lessons under the umbrella of the Communicative Language Teaching method.

Unique features include:

  • Lab assignments for learning practical lesson planning skills
  • A wide variety of pre-recorded videos
  • Tutor feedback and support
  • Lifetime job assistance and access to the job board
  • Complete a separate and optional Stand-Alone 20-hour Practicum module in the United States or anywhere in the world.
120-hour Advanced TESOL Certificate

Download Brochure

Let us answer all your questions and help you start your career in EFL!

or Request a callback with a Student Advisor (USA / Canada only)

Add a Specialist Course! Save Up to US$640 and Become Better Prepared for Different ESL Teaching Jobs in USA

The United States has a diverse job market and offers certified English teachers various opportunities in IELTS Preparation courses, K-12 programs, language schools, Business English centers, and online schools.

Add a 20-hour specialist for only US$79 when you enroll in an accredited TEFL / TESOL certification course with OnTESOL.

Recommended online TEFL / TESOL bundle: 168-hour Hybrid TEFL Certificate (US$320 OFF)

20 hour
Teaching English Online

English teacher in a classroom with children

Teaching English to Young Learners

Creative Speaking Activities for the ESL Classroom

Teaching Business English

Students preparing for their IELTS examination



“I was very pleased with the whole experience. The grammar and phonology modules were great in-depth reviews. The methodology module was an excellent step-by-step guide of how to plan a lesson. I have a better understanding of how students learn and feel much better prepared now to teach English in the United States. My tutor, Aaron Marques, gave very insightful comments from his personal teaching experience. He was a great tutor, always responded quickly. He really made the program! OnTESOL was a great TESOL certification course that gave me the flexibility to study from home and set my own hours”.

Monika Robertson



Our TEFL / TESOL programs will give you the skills and credentials you need.