parts of Diamond Bar. The community is served by two elementary schools: Decker Elementary School and Ranch Hills Elementary School. Diamond Ranch High School is located on the hills where Diamond Bar and Phillips Ranch meet. In 2003 and 2007 Diamond Ranch was titled a California Distinguished School by the California Department of Education. Pomona has been criticized for its construction of Diamond Ranch High School in the city's more affluent area of Phillips Ranch because of the inequities in the rest of the school district and for the almost $68 million tab for building this architecturally unique campus in the hilly area. However, the City of Industry provided $5.4 million, and sold 80 acres of an undeveloped hill land parcel for one dollar, for the school. Higher education California State Polytechnic University, Pomona (Cal Poly Pomona), four-year university. Mt. San Antonio College, more informally called Mt. SAC, is in nearby Walnut, California. Western University of Health http://www.westernu.edu/ Main surface thoroughfares in Phillips Ranch Rio Rancho Road Phillips Ranch Road Avenida Rancheros Village Loop Road Old Pomona Road Temple Avenue Santa Clara Drive North Ranch Road Mission Boulevard Los Felis Drive Chino Hills Parkway References External links Phillips Ranch detail page Pomona Unified School District's Home Page Neighborhoods in Los Angeles County, California Geography of Pomona, California