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Please contact us with any question you may have concerning our TESL Program.  It only takes a minute! 



 Colorado School of English
331 14th Street   
Downtown Denver
CO 80202 USA
Tel: (720) 932-8900 
Fax: (720) 932-0315 
Toll Free: 1 877 234 0654

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The TESL/TEFL certificate program is a full-time, intensive course that requires dedicated effort and the desire to become a great ESL/EFL teacher. Classes run Monday-Friday, 5:30pm-8:30pm and on Saturday,9:30am-2:30pm.


Colorado School of English (CSE) believes that effective teaching requires a familiarity with language acquisition and learning theories, a working knowledge of effective ESL teaching methodologies, cultural sensitivity, practical experience and the ability to spark motivation in the ESL/EFL student. Our goal is to provide each of our TESL/TEFL graduates with the opportunity to develop his/her own successful teaching style and the professional confidence and ability to present dynamic lessons in the classroom. We take pride in our teacher training program and aim to ensure that all our certificate holders represent us well, as competent and respected professionals and we believe that our program at CSE will provide you with everything you need to be successful. 

 We offer:

  • Hands on classroom experience
  • Individualized attention
  • Certification to teach abroad and in the U.S.
  • Highly educated and experienced trainers
  • Job assistance
  • An accredited program

“The TEFL/TESL class at the Colorado School of English is a completely unique experience that gives you a taste of what it’s like to teach abroad. When I finished the class, I felt that the teachers had gotten me to rethink how I interact with others and how I perceive culture.” Darren

CSE's TEFL/TESL Certification is absolutely challenging, especially if you are working full-time. It is also, without a doubt, informative and rewarding, opening many doors of opportunity! A worthwhile investment! Juliette

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