… and competently through our course sequence to reach E.S.L. 110, which is equivalent to English 101, English 101Z but with specialized instruction and support for non-native speakers of English. Learn more about transferring to the UC or CSU Sequence of Courses The Credit E.S.L. curriculum is designed for students who want to study English for academic purposes and would like … 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 / …