TEFL International 250-Hour TESOL Diploma Course are validated and Master of Teaching credit bearing at American University of Business and Social Sciences. Students who successfully complete their TEFL International 250-Hour Diploma Course may apply for a credit waiver and transcript from AUBSS by emailing our Admission Director: admission@aubss.edu.pl. ITTT has been providing TEFL and TESOL courses since the 1990s and during this time has developed relationships with many of the leading individuals, institutes and schools in the industry such as Fairmont State University, Teacher Training Council and Bangkok School of Management. If you are interested to join our Master of Teaching TESOL program, please visit here.