Grossmont Union High School District

The Grossmont Union High School District provides education to students in grades 9-12 and is located in the eastern portion of San Diego County. The District was established in 1920 and encompasses an area of approximately 465 square miles, including all of the cities of El Cajon, Santee and Lemon Grove, most of the city of La Mesa, a small portion of the city of San Diego, and the unincorporated areas of Alpine, Dulzura, Jamul, Lakeside, and Spring Valley.