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
I thought this was reasonably clear
h t t p s : / / w w w .teachers.cambridgeesol.org/ts/teachingqualifications/celta/becomingatrainer
Anyone I know who's done it says you basically need to approach the larger CELTA centres to see if/when they are looking for new trainers to train up, or keep an eye out for adverts...then get onto the induction course, mentioned int e link above.