… Our E.S.L. Discipline One of the main objectives of our credit E.S.L. program is to help students progress quickly and competently through our course sequence to reach E.S.L. 110, which is equivalent to English 101, English 101Z but with … and ends in E.S.L. 110. To facilitate the mastery of all English language skills, we encourage students to enroll in the “B” courses (Reading / Vocabulary) and the “C” courses (Listening / Speaking) together with the “A” courses (Writing / …