… 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 / Grammar). Students can enroll into the Credit E.S.L. Curriculum by completing the Guided Self Placement (GSP) Process , which is only available for students who have not completed the Placement Assessment Process within one year, or by completing the Credit ESL Pre-Requisite Challenge Process for any credit …