CELTA is a course and an international certification for teachers of English as a foreign language, native or not, granted by the University of Cambridge, United Kingdom. In Brazil, it tends to be taken by experienced professionals. However, even beginners can enroll for the course, approved through a detailed selection process.
On average, nearly 7000 people obtain CELTA annually throughout the world. It is the most important international certification in ELT, desired by English teaching professionals who seek a differential in their educational background, as well as those who want to kick off an international career.