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 State University bachelor's degrees. SDSU formerly operated a campus in North County (San Diego area), which was later converted into the larger California State University San Marcos. In the South Bay, SDSU operated a campus in National City, California. This campus shared facilities with Southwestern College. The South Bay Campus is now closed indefinitely. San Diego State University is consistently one of the most applied-to universities in the United States, receiving over 60,500 undergraduate applications (including transfer and first time freshman) for the Fall 2018 semester and accepting nearly 21,300 for an admission rate of 35.1 percent across the university, the third-lowest