Orange Coast College (OCC) is a community college in Orange County, California, United States. It was founded in 1947, with its first classes opening in the fall of 1948. It provides two-year associate of art and science degrees, certificates of achievement, and lower-division classes transferable to other colleges and universities. The school enrolls approximately 24,000 undergraduate students. In terms of population size, Orange Coast College is the third largest college in Orange County.