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
California State University San Marcos criticized by a faculty member at CSU San Marcos. The university has had four presidents: California State University San Marcos California State University San Marcos (CSUSM or Cal State San Marcos) is a public comprehensive university in San Marcos, California, United States, and one of the 23 campuses of the California State University system. San Marcos is a suburban city in the North County area of San Diego County. It was founded in 1989 as the 20th CSU campus. The first class was admitted in 1990. CSU San Marcos offers 62 different Bachelor's degrees, 15 master's degrees, an Ed.D. program,