
Now, some countries such as S. Korea, China, Thailand, require one for any teacher seeking an ESL teaching job in the country.It would be a good idea to get one—it will be your ticket into the show. Even with a master’s in teaching English (TESOL), and a PhD in the area of education, potential employers still look for that TESOL certificate.A TESOL certificate is a relatively low-cost investment when you consider the returns - a jumpstart into one of the most exciting, flexible, and lucrative careers possible.