INTESOL CELTO - Certificate in English Language Teaching Online

Course Hours:
40 Hours

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Course Summary

Teach English online from anywhere in the world! Teaching English online is a booming industry. Now that fast internet connections are the norm worldwide you can make a living teaching English online from pretty much anywhere. The CELTO (Certificate in English Language Teaching Online) is at the forefront when it comes to providing quality training that prepares you to teach English online. Even if you have taught in the classroom, you will be sure to find the insider tips contained within this course to be hugely beneficial. Would you like to create a lifestyle with the freedom to work from anywhere in the world with an internet connection? If you do then teaching English online is the way to go, and we’ll help you get started.

Course Details

  • Accreditation

  • Curriculum

  • Screenshots

  • Reviews

  • About

  • How it Works

  • Terms

This course is accredited through ALAP.

ALAP, Awarding Language Acquisition for Professionals, is an independent, international awarding organization born from decades of experience teaching and developing teacher training and English language courses.  

Unit 1: Teaching Online
Why teach online? Freedom. Flexibility.  Types of students. Self- development. Low costs.
Preparing to teach online. Professionalism. Patience. Persistence. Willingness to market yourself.
Technical know-how. Linguistic tools. Teaching tools.  Sense of humour.
What kind of teacher will you be?
The role of the teacher
Unit 2: Bringing About Success
Helping your students succeed
Encouraging production
Ask don’t tell
Encouraging fluency
Unit 3: The Basic Principles of All TEFL/TESOL
Looking after your students
Using realistic language – shortened forms – accent
Keeping students’ interest – LTTT – how to LTTT
Unit 4: Teaching Grammar
Making grammar interesting
Different grammar perspectives
Inductive v deductive grammar
Chinglish, Konglish and their cousins
How to teach grammar
(includes Back to Basics Grammar)
Unit 5: Teaching Pronunciation
Why do we all sound different?
Diagnosing pronunciation problems
Raising awareness
The most common problems
Useful and engaging methods
(includes IPA)
Unit 6: Planning Your Teaching
Proper Planning Promotes Professional Performance
Deciding your aims
Structuring your lesson
Making the best use of your plan
Unit 7: Finding and Keeping your Students
First decision: How will you work?
Build a comprehensive client base
Don’t be afraid of networking
Consider how you’ll demand a good rate
Choose your platform and technology
Unit 8: Practice, Production and Progress
The student ‘lifestyle’
The challenges of practising L2 in a totally L1 environment
Groups or individuals?
How can we recognise progress?
Unit 9: Designing Materials and Courses
Sources for materials
Creating your own materials
Becoming a course designer
Unit 10: Establishing and Growing an Online Presence
Using social media
Using ESL websites
Building your own website

Photo Gallery
Thank you for your feedback during the course. This course was a great recap/refresh on my actual English. As an older college graduate, I truly see sometimes you can forget a lot of things you actually learned in college. Many thanks for making me think about what I am teaching to other students who are not native English speakers.
- Michelle BM
Thank you very much for this very interesting and challenging course which I have already recommended to many language teachers. This was a very challenging and exciting course throughout.
- Sanjay T.
I am pleased to have completed the course, which I have found both challenging and interesting. My trainer has been a source of inspiration, motivation and support throughout, and I am most grateful to her.
- Graeme S.
Thank you for being there every time throughout the course. I’m grateful that you were my tutor. Thanks for the advice given and for being patient.
- Carla M.
Thank you so much for your support! With your push and encouragement, I AM DONE!!! Yay! Again, thank you
- Anna V.

INTESOL Worldwide was founded in the UK in 1993 in the belief that anyone possessing the passion to teach, the skills to express themselves clearly, and the desire to make a difference in the lives of others should be given the opportunity and encouragement to gain a professional certification in TESOL. Today, INTESOL has accumulated over 20 years of quality course provision, and a proven track record as a renowned and respected accredited TESOL course provider.

Our Mission

The overall mission of INTESOL is to help people from a broad range of backgrounds achieve a varied and fulfilling lifestyle through teaching English and living abroad. Our aim is to help you develop and grow as a person by showing you how to become a confident, well-resourced, professional ESOL/EFL teacher.

Through continuing research and development INTESOL seeks to be the world leader in quality TESOL/TEFL training; TESOL/TEFL training that takes into account the demands of every day life. We are ranked amongst the top TEFL course providers for the quality of our teaching so, whatever your reason for studying, you’ll find yourself in expert hands.

STEP 1:  Complete the registration form and pay course fees.   

STEP 2:  Receive an automated confirmation message and receipt. 

STEP 3:  Receive a course activation code with detailed login instructions.  You can access the course, submit assignments and message the course instructors anytime by logging into the student area. 
Job Placement Details
Candidates who meet the following criteria will be eligible for online English teaching jobs through one of our international English tutoring agencies. Full-time and part-time jobs available.
1. American, Canadian or British residency.  Note: You'll need to physically be within one of these 3 countries in order to work for the private tutoring company. 
2. Bachelor’s degree (any discipline will suffice)
3. Native English speaker or English-speaking ability on par with a native speaker.
4. Available to teach a minimum of 5 hours per week. Please Note: Hours are based on peak tutoring times in Asia.
5. CELTO certification
Pay Scale
Basic salary: $15.00 - $34.50/hour (pay raise based on your performance and session hour contribution);
Performance and session hour contribution are evaluated monthly after probation is finished, both reflect directly on your payroll;
Performance bonus per session is based on rating given by the students in each session. This directly reflects your teaching skills.
Guide and teach a wide range of learners from all age groups. Lesson plans and materials will be provided for you to utilize.
Various lessons including adult, JR, TOEIC, Virtual classroom, etc.
Structure lessons that range from 25-45 min;
Teach small group (1-6 students) or one-on-one class;
Meet great people from different cultures and career backgrounds, get in-spired in our adult sessions;
Have fun and make friends with talent kids and teenagers from worldwide in our Jr sessions.
We provide a full online training before you reach your students.
Technical Requirements
In order to teach English online you will need equipment (pc or laptop) with the following specs.
Windows 7 or Windows 10 OS, or Mac OS version 10.12, 11 or above
2.00 GB of RAM
Computer CPU above 1100
Internet connection with an upload speed above 0.5 Mbps and download speed above 0.6 Mbps.
Tutor/Teach from home. Save time and money on commuting. 
Flexible schedule. You are only required to commit 5 hours per week, but are free to book as many as you’d like;
Unlimited classes available for you. You are always welcomed to book more hours according to your availability;
Unlimited earning potential. You will be evaluated monthly for Base Rate increases based on your performance and contributed hours;
Performance bonus per lesson from each student;
Opportunities to become a core teacher and join our programs that provide guaranteed hours and pay once you reach certain benchmarks.



This course is displayed and sold in USD. Your local currency price is displayed in addition to the USD sale price for reference purposes only. There are no additional fees, the displayed price includes all required course materials.  The course fee must be paid in full before receiving course access instructions.


There is a 14 day refund guarantee for this course, provided no course assignments were submitted for marking or grading. Students who have already submitted completed assignments for marking or grading will not be eligible for a refund.  If you would like to apply for a refund please write to us by email and your refund will be issued as soon as possible [within 15 business days]. 


This course requires proficient English speaking, reading & writing skills. Non-native speakers should have B2 level proficiency in the English language. If you are not sure of your English Language level then please schedule a free consultation session with one of our advisors.


TEFL Source is not the Course Provider; we work in partnership with the Course Provider as an authorized reseller of this certification course. TEFL Source does not rebrand or alter course specifics or particulars in any way. All courses displayed and sold on this website are ‘one and the same’ as the respective courses that are sold and displayed on the Course Provider’s website.  

Some of the personal information you submit during the payment and registration process will be shared with the respective Course Provider. The information we share is necessary for enrollment purposes. We do not share, sell or otherwise transfer your personally identifiable information to any outside parties other than the Course Provider that’s responsible for administering the Course you purchased. Information that is shared with your respective Course Provider includes your name, address, phone number and email. Under no circumstances are your credit card details shared with the Course Provider.  Please visit our ‘Privacy Policy’ page to learn how personal information is collected and protected.


Please visit our Terms & Conditions page ( for complete policy information.

Course FAQ'S

INTESOL Worldwide

No. You're free to enroll and begin this course at any time.

No. All course materials are included in the displayed enrollment price.

No. All nationalities are eligible for this course, however, job assistance upon completion of the course is only available to people who are located in the United States, Canada or UK.


Yes. A college or university degree is not a prerequisite for this course. However, having a bachelors degree (in any field of study) is necessary for job assistance upon completion of the course.

4 weeks.

Unlimited, students have as much time as they need to finish course work and assignments

Yes. Please refer to the 'How it Works' tab/section above for complete details.


  • Highly recommend using TEFL Source if you want to get certified to teach English as a foreign language. I'm currently travelling in SE Asia so I wanted a course that I could work on from my ipad. TEFL Source had lots of great options and the prices were more competitive than other places I looked. I can't wait to start teaching now!Jon Sobolewski
  • Overall I'm quite satisfied with my experience with TEFL Source. They're not the end providers of the courses but they do offer lots of useful information, more than other sites I was checking, and their staff was quick to respond to my onslaught of questions! Also saved some money on the course I wanted which was good for my wallet :) Anton G.
  • Don't believe all the hype that's associated with CELTA and Trinity certification courses. My friend spent £2000 on his CELTA course while I spent $400 on a hybrid TEFL course, which was mostly online but included 20 hours of teaching practice, and we both have the same salary, benefits and working conditions in Japan! I'm quite satisfied with the deal I found on TEFL Source, definitely worth a look if you're planning on getting certified.S. Hyeong

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