College of San Mateo is a public community college in San Mateo, California. It is part of the San Mateo County Community College District. College of San Mateo is located at the northern corridor of Silicon Valley and situated on a 153-acre site in the San Mateo hills. The college currently serves approximately 10,000 day, evening and weekend students. The college offers 79 A.A./A.S. degree majors, 75 certificate programs and approximately 100 transfer areas and majors.