Grossmont Middle College High School (GMCHS) is a high school in San Diego County, California.

Grossmont College is a public community college in El Cajon, California. Its name originated with the silent film actor and producer William J. Gross, who was enticed by Ed Fletcher to invest in the purchase of land, part of which was called Grossmont. The campus sits in the Fletcher Hills community of El Cajon and is bordered by the cities of San Diego and Santee. Grossmont College along with Cuyamaca College make up what is the Grossmont-Cuyamaca Community College District. Grossmont is part of the California Community College System.