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Diamond Ranch High School


Diamond Ranch High School

Diamond Ranch High School
100 Diamond Ranch Dr.
34°01′19″N 117°46′47″W / 34.021826°N 117.779725°W / 34.021826; -117.779725Coordinates: 34°01′19″N 117°46′47″W / 34.021826°N 117.779725°W / 34.021826; -117.779725
Diamond Bar, California, United States

Type Public
Established 2001
School district Pomona Unified School District
Principal Suzanne Ripley (2010-Present)
Grades 9–12
Number of students 4,850 (2011)
Campus size 72 acres
School color(s) Blue, Black, Silver
Mascot Panthers

Diamond Ranch High School (or DRHS) is a high school (secondary school) that serves students from Diamond Bar and Phillips Ranch, CA and is operated by the Pomona Unified School District (PUSD) in Pomona, California. In 2003, Diamond Ranch was named as a California Distinguished School by the California Department of Education. In April 2007, it was named a California Distinguished School for the second time. The school has won many awards from a spot in America's Best High Schools to being named a California Distinguished School. The Panther Athletic teams currently compete in the Hacienda League of the CIF Southern Section.


The school was designed in an expressionist modern by Morphosis, led by architect Thom Mayne. It is situated on a steep hillside on land previously considered unusable.[1][2][3] The school's unique architectural design was recognized in the book Morphosis/Diamond Ranch High School.

Because of its modernist architecture, size and location in California, the school has appeared in movies such as The Cell, Orange County, Serenity, and Live Free or Die Hard;[4] it has also appeared in several television commercials—including one for Buick, and Mercedes.


The name specifically was made by the geographical location of the schools as it is where the City of Diamond Bar, California and Phillips Ranch, in Pomona, California meet. The school is also near by the city of Chino Hills, California


  • June 1991 - PUSD voters approved a $62.5 million general obligation bond to improve school facilities district-wide, including approximately $10 million designated for Diamond Ranch. In addition to the money provided by the district, the City of Industry provided $5.4 million for the extensive grading needed to create building pads for the school, and sold 80 acres (320,000 m2) of undeveloped land to PUSD for a dollar.
  • November 1993 – The school district hires Morphosis to design the school.
  • September 5, 1997 – DRHS was officially opened for students, while construction continues.
  • September 8, 1997 – The inaugural of the first principal, Albert Webb
  • 1999–2000 – DRHS is established and students move from the portables to the permanent facility.
  • June 8, 2001 – The first graduating class of DRHS.
  • 2003 - DRHS wins California's Distinguished School Award.
  • 2007 - DRHS wins California's Distinguished School Award for the second time.
Pomona Valley from Diamond Ranch High School


Further reading

  • Jeffrey Kipnis and Todd Gannon. Morphosis/Diamond Ranch High School The Monacelli Press; 2001 ISBN 1-58093-079-4

External links

  • Official website
  • Official Diamond Ranch High School article by Morphosis
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