You should take the ESL self-guided placement, consult the documents on this webpage, and/or contact Professor Guevara by email (email@example.com). She can advise you.
You can consult the Schedule of Classes to learn more about course offerings, start and end dates, and schedules.
The second week of each semester. However, you should register before the first day of class so that you can attend classes from the beginning of the semester. Semesters begin in August and January.
Noncredit classes are free.
Each credit class is $46 per unit, and these are 4-unit courses, so they are $184 for California residents. Non-residents pay $209 per unit. International students pay $234 per unit - a minimum of 12 units is mandatory.