CA Community College

Their is a huge drop out rate at California Community Colleges, most of the Cal State Colleges, and even some UC's.

Unfortunately this article does not have a lot of useful information.  The first year drop out rate is 20%.

California spends billions on community college students who drop out - LA Times
California expenditures on such students over five years totaled $480 million, report says. Many students are ill-prepared for college, get too little support and aren't helped by remediation, the study notes.