Home > Oxford Online TESOL Program The Young Learners TESOL program is designed to allow teachers in Korea to develop their practical knowledge of how to teach English as a foreign language within a solid theoretical framework to Elementary Grade 1~4 students.     The Teen and Pre-teen TESOL program is designed to allow teachers in Korea to develop their practical knowledge of how to teach English as a foreign language within a solid theoretical framework to Elementary Grade 5 and 6 and Middle School Grade 1 and 2 students.