In order to develop English competency of Thai students, we have to improve the
quality of teachers of English language. Thailand is facing various problems related to
both teachers who teach the subject of English and those who use English as the
medium for teaching other content. For this purpose, teacher training in the country
needs greater attention and more effective solutions. An effective and realistic system
of teacher training should be set up and organized in collaboration with various
relevant agencies and organizations. Due to the varying levels English proficiency of
teachers, the training should be set up with various levels to meet the needs of all
teachers, including programs for Training at beginner level, at the intermediate level
and at the advanced level. A variety of program levels and types will better
accommodate the teacher by suiting the needs of their ability levels and positions.