More locations: Now over THIRTY. More choices: special programs, volunteer positions, language classes. More security: Members of BBB, all courses externally moderated. More Accurate Info: No hand-picked testimonials, all course feedback availble online. More Support: worldwide lifetime placement assistance. More Experience-running worldwide courses for 10+ years. More FUN! ...... TEFL International
Teacher training school, at least in Canada, is associated with graduate school at a university. That teacher training will prepare you for a teaching position in an elementary or secondary school. Training in ESL/EFL is an option.
If what you are seeking is a credible, reputable, and globally recognized TEFL training certificate, then most posters would probably agree CELTA is what you want.