Study Options[수강 선택] There are three ways to obtain the CELTA qualification.[‘셀타’ 자격증 획득에는 3가지 방법이 있다.] 1. Full time[전일제] A full time CELTA course lasts 4-5 weeks.[전일제 ‘셀타’ 과정은 4-5주 동안 지속한다.] It is a very intensive course, and students will need to do homework and lesson planning in the evenings..