Rancho San Diego, California landscape and open-space maintenance. Rancho San Diego is served by the Cajon Valley Union School District and the Grossmont Union High School District. Steele Canyon High School and Valhalla High School are the primary schools in this location. Rancho San Diego is also home to the Cuyamaca College Coyotes. Rancho San Diego, California Rancho San Diego is a census-designated place (CDP) in San Diego County, California. The population was 21,208 at the 2010 census, up from 20,155 at the 2000 census. The area was developed as subdivisions beginning in the 1970s. Rancho San Diego is located at (32.765985, -116.921477). According
San Diego County, California hosted 252 ship calls and more than 800,000 passengers. San Diego County contains three public state universities: University of California, San Diego; San Diego State University; and California State University, San Marcos. Major private universities in the county include University of San Diego (USD), Point Loma Nazarene University (PLNU), Alliant International University (AIU), and National University. It also includes three law schools, USD School of Law, California Western School of Law, and Thomas Jefferson School of Law Within the county there are 24 public elementary school districts, 6 high school districts, and 12 unified school districts. There are also 5