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$399 - TESOL/TEFL Diploma (250 Hours) - Online & Accredited

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4.7 / 5Overall Rating
77Reviews
2015Year established

Program Overview

SALE! This 250-hour TESOL/TEFL course is just $399 for a limited time (regularly $800)!

Earn an Advanced TESOL/TEFL Diploma and set yourself apart from other English teaching candidates. With this 250-hour online TESOL course, aspiring English teachers will have completed above and beyond the requirements to teach the language anywhere in the world. With the diploma, they will become eligible for higher pay and more competitive teaching opportunities. The TESOL Diploma program is internationally accredited and recognized.

The course uses materials supplemented by extensive video lectures and comes with various activities you can apply in the classroom. You will receive an internationally recognized certificate and diploma upon graduation, increasing your chances of landing that desired position anywhere in the world.

Benefits of the program:
- Affordable pricing at $399 USD (for a limited time)
- Includes all specialization courses, including Teaching English Online, Teaching Young Learners, Teaching Business English, and many others.
- Get a certificate & diploma upon completion
- Recognized around the world
- Includes videos and tutor support
- Free international shipping

Ready to dive deeper into this program?

Jump to the full breakdown of dates, costs, eligibility, and more.

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Program Highlights

Get both a 250-hour Advanced TESOL Diploma and 120-hour TESOL Certificate for just $599.
Includes all TESOL/TEFL Specialization courses, including Teaching English Online, Teaching Young Learners, Teaching Business English, and many more.
Our students have a 99% completion and pass rate.
Learn with the aid of videos and a tutor.
Receive assistance in getting placed in teaching opportunities online or in many countries around the world.

What's Included

TESOL Certification

Program Details

Learn all the nitty gritty details you need to know

Locations

  • Online

Fields & Subjects

  • TESOL

Available Terms / Availability

  • Years Offered
  • Year Round
  • Terms Available
  • Throughout the Year

Eligible Nationalities

  • All Nationalities
  • This Program is also open to Couples, Families

Education Levels & Language

  • Language
  • English
  • Education
  • High school graduate, diploma or the equivalent (for example: GED)

Application Procedures

  • Online Application

Age Requirement

18+

Program Reviews

Hear what past participants have to say about UNI-Prep Institute

4.7
77 reviews

Rating breakdown

5
53
4
23
3
1
2
0
1
0

Top categories

Published Content
4.7
Quality of the Course
4.6
Pre-Enrollment Advice
4.2
Practical Experience
4.0
Course Instructor
4.0
Job Search Guidance
3.5

Participated in this program? Share your experience now.

Review this Program

Showing 1-20 of 77 reviews

Martina GerosaItaly · April 2026

Highly Recommended for Aspiring ESP Teachers

I recently completed this course and found it to be both insightful and incredibly useful. The content provides a perfect balance between theoretical understanding and practical application. The materials provided were were really good, especially the sample dialogues for negotiations and the structured breakdown of the "Presentation" and "Telephoning" modules. I really appreciated the focus on functional language rather than just dry grammar, as this is exactly what adult professionals need in the real world. I am very happy with the resources and feel much more confident in my ability to perform a needs analysis and handle the unique challenges of a business classroom. Highly recommended for anyone looking to specialize in ESP (English for Specific Purposes)!

fab garCanada · November 2025

Amazing Course

I really loved the TESOL TEFL course! It was such a fun and engaging experience from start to finish. The lessons were not only interesting but also very practical and useful for anyone who wants to become a confident English teacher. I learned the correct teaching methods, classroom management techniques, and how to effectively communicate with students of different ages and backgrounds. What I liked most was how interactive the course was. The activities, examples, and assignments made it easy to apply what I was learning in real teaching situations. It gave me a clear understanding of how to plan lessons, motivate students, and handle challenges in the classroom.

Andrew SchoenfelderUnited States · November 2024

Effective for teaching TESOL and TEFL

I took the 250 Hour online course for TESOL so I could both teach English online and teach abroad. Not only was this course highly effective, the methods that were used for an online learner were effective. They covered a variety of topics, as well as how to teach the students and topics effectively. However, the videos did go very fast, so it is smart to frequently pause the videos and write down the important information. The quizzes were mostly relevant to what had been taught as well and were effective in seeing how you learned. Overall, I would recommend this course to aspiring English teachers

Johnathan Purnell-JoeUnited States · October 2024

It was worth my money and recommending it to others as well

This UNI-Prep Institute training course was definitely worth my money and time. The videos give me the informantion that I needed to begin and start applying for ESL jobs. I'm sure others will agree and I'm satisfied with the end results, I was able to recommend people to this and they are happy with the way everything turned out. I took notes on the quizzes and they prepared me for applying to ESL jobs too. I still may have trouble but I'm glad that I was able to retake the quizzes too. I can't say anything bad about this process, "yes, it is long but again worth my money and time". So I'd only recommend other to this course only if their pursuing an ESL career or job. I hope to teach adults and children as well but I'm hoping companies will be satisfied by my degree as well. Some ESL companies require a bachelors degree but I just have an associates degree. I hope that is good enough for them. I'm thankful that your company give the learner a great amount of time to do the quizzes as well, thank you all so much.

Shauna CascianoUnited States · October 2024

Very great training course!

The UNI-Prep Institute training course was a very informative and interesting experience! All the lecture were very well presented and easy to understand. The reading materials were very helpful too and had lots of interesting information along with the videos as well. The quizzes were good, some parts were challenging and required you to apply your previous knowledge to the questions being asked. The additional materials were very helpful too and had a lot of useful information. I am very happy to have done by training through this school to obtain my TESOL certificate and I look forward to teaching online where I hope to teach beginner learners. This course has taught me a lot about teaching children and now not only can I use that knowledge when teaching ESL. but now I can use what I learned and apply it to when I am substitute teaching in the classroom, as the lectures and readings had very resourceful and effective teaching strategies and methods. I really like how a sufficient amount of time was given to complete the quizzes and how you do not have to complete the course in one sitting as you can stop and continue back where you left off. I am very excited to have gotten my certificate and I recommend this course to anyone who wants to teach ESL online because it is worth it and it will be a rewarding experience.

EMEL TUGTurkey · September 2024

One of the best courses for teachers

I think that this course is one of the best courses which educate you on how to be a successful teacher. Both the video lectures and the reading materials of each module have been prepared considering all the necessities of that issue. The training includes many basic concepts and theories related to education which were developed by well-known scholars. Some knowledge is given by providing appropriate examples. The class activities are presented in accordance with both the age and the level of English of students. In this educational program, there are also many class activities and Internet links related to education which teachers can use throughout their teaching process. I would like to thank everyone who contributed to the preparation of this training program.

Karina MoiseevaRussia · February 2024

I had an unforgettable experience

Karina Moiseeva, an English Tutor I am for the second time on this site and hugely recommend to apply for the Uni-Prep online courses, especially for those who feel comfortable studying from home and motivate themselves for widely working online using the postulates of the modernized teaching system presented in accurately technically broadcasted materials via awesome videos and appropriate handouts files which embrace all the spectrum of teaching levels ,age groups ,teaching activities and teaching tips, including additional resources to bring to your personal usage. The segue of units and the volume of penetration into the idea core of the course provides an interesting and easy enough approach to pass the course excellently. I feel excited and motivated to meet future challenges if any all after that!

Nicola RovizziItaly · February 2024

Interesting and formative course

I enjoyed being part of this course, where I found updated material served through video lecture and reading material. It has been formative especially about different approach theories and way of teaching a variety of subjects like Business English, Young learner, adults, online, advanced, etc.

Ila HallUnited States · December 2023

Important for career

As I am moving out of country; this course is important for me to maintain employment in the field of educating where I have been for over 12 years. it is precise and easy to follow. The video presentations were great for giving example and scenarios you might come across. I like the downloadable units so I can refer to as needed in the futre.

Tamala PhiriSouth Africa · July 2023

Relatable experience and very insightful

I really enjoyed the course mostly because I am already a qualified teacher teaching young students between the ages of 11-14 years, But I also have experience teach in secondary School. The course material and the video are not only insightful, but very helpful and straight forward. Now I am ready to teach online in the comfort of my home.

Amy StewartCanada · April 2023

Fantastic course

This course was a great tool to help me advance my career in ESL teaching. I am absolutely thrilled that I have now completed the course and well on my way to finding a great job online. If you are looking for a program that allows you to work at your own pace, this is the one for you. Some days I was able to work through 3 modules at once, other days I was extremely busy and only worked through 1. The best part about this program is that it gives you an opportunity to do the best you can on the test which means they give you two tries to get perfect!! Great course all in all Amy

Trang VũVietnam · March 2023

It's well worth considering

I found lots of interesting and systematic teaching knowledge in this course. The materials are allowed to download and it's easy to look them up later. The course includes recorded videos so you can learn at your own suitable time. One more outstanding thing is the assessment system, just multiple choice questions after each lesson. I think that's appropriate.

Alexander AvilesUnited States · February 2023

Great course, material and videos are very informative

This course was great. I learned many techniques that I will be using in the classroom and have a better understanding of how to approach English Learning. The course is layed out perfectly and easy to understand. The videos are great, and I learned a lot from them.

Kateryna ZaluninaUkraine · January 2023

Good experience!

Plenty of structured information !Enjoyed! I would recommend the course to everybody who wants to increase their knowledge in terms of teaching and also get international certificate! All information is provided in a proper way!

Janice ZerafaMalta · October 2022

Great

Very well structured course. The information provided was enough to pass the tests comfortably and make sure that one learns how to teach effectively and efficiently to all age groups. The test were also easy thus even if one is not familiar with teaching they are easy to pass and it is true that most probably a pass is guranteed.

Ruslan HamidovUkraine · September 2022

TESOL diploma experience

I am happy I took this course, it is a wonderful opportunity to attune your teaching experience and so many other thigs related to teaching English to people of different ages, backgrounds and cultures. Previously, I took CELTA, and I was wondering whether I should also do a TESOL/TEFL course. So I did. I don not regret it. It's an extra addition to any other teaching course one may have taken. This 250-hour TESOL Diploma course has been wonderful, very professional videos and explanations, the readings, the availability to download them is great if you ever want to return to them and brush up on your teaching methods or review something at a glance. I really enjoyed this course, it took me just a few days to complete it, and had I another chance of doing it again, I would go for it. In other words, I highly recommend it, take it, you won't regret it!

Lanette ScantlinUnited States · August 2022

Go for it!

I don't know why I doubted myself. This program makes everything almost too easy! Affordability, easy to follow instructions, and connections! I am just starting the job search, but all the information is at a touch of a button. I am expecting a job reply soon!

Cassandra McCrayUnited States · July 2022

I recommend anyone looking for a quality education to choose UNI-Prep Institute

I have enjoyed all the lessons at UNI-Prep Institute. The material was laid really well. I felt like I received a good quality education. You are given two attempts and you can complete your education in no time, but it depends on you and what your day-to-day schedule is like. I was completing two lessons a day.

Osadebamen AgueleNigeria · June 2022

I learnt a whole lot!

Uni-Prep’s 250-hour Diploma course is value for money. I was particularly pleased with the addition of PDF notes to support the youtube videos on each unit. The idea of only allowing two attempts for the quizzes ensures that one doesn’t merely engage in guesswork but instead endeavours to understand the study material. The self-paced option of the course is also very encouraging. The inclusion of Additional activities and a job search guide is a welcome idea. I would gladly recommend this course to aspiring ESL teachers.

Laurent ShinarUnited Kingdom · May 2022

An enriching and streamlined course

I found the course to be very useful and easy to understand. I have been teaching English for 3 years and got to learn a few new bits of information which was nice. I would fully recommend this course to anyone looking to get TEFL certified.

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Recognitions & Awards

Awards and accreditations earned by this provider

Top Rated Online Program Notable Mentions
International Association of Teachers of English as a Foreign Language

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