With over 20 years of experience in teaching English abroad, Dux TEFL developed accredited TEFL/TESOL courses to prepare you with all you need to secure a high-paying job and succeed in teaching English as a second/foreign language. The courses were designed to provide accredited TEFL/TESOL certifications that can be completed within 1-4 weeks from the comfort of your home. We save you time and money with affordable courses, providing you with everything you need in a TEFL/TESOL course to excel in the classroom and land a high-paying teaching job abroad or online.