The Citrus College credit ESL program offers three levels of coursework with each level having a writing/reading course (ESL 3A, 4A, and 5A) and a grammar co-requisite course (ESL 3B, 4B, and 5B). It is strongly recommended students enroll in the corresponding grammar co-requisite courses when they enroll in the writing courses (ESL 3A, 4A, and 5A).