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
As others have mentioned here, the CELTA is a great option. If you need more flexibility, the Cert IV in TESOL is also a good course, and along with a Bachelor's degree, will qualify you to work in ELICOS providers in Australia.