Diamond Bar High School

21400 Pathfinder Rd
Diamond Bar, CA 91765


About Us:

Diamond Bar High School (DBHS) opened in 1982 and is located in the city of Diamond Bar, California. The southern portion of the city is served by the Walnut Valley Unified School District , while the northern portion is served by the Pomona Unified School District . DBHS is one of two comprehensive high schools in the Walnut Valley Unified School District. The district also offers a continuation high school, three middle schools and nine elementary schools.

DBHS serves approximately 3,000 students in grades 9-12. Our diverse student population is best described as “cosmopolitan” (both multi-ethnic and multi-cultural). A language other than English is spoken in the homes of over fifty percent of our student population.


Diamond Bar High School will be a premier school committed to the intellectual, physical, and social development of every student. Diamond Bar will be a community where every student’s cultural heritage enriches the learning experience for all students.


Diamond Bar will value the five “A’s” of Academics, Athletics, Arts, Activities and Access so that each student will experience a personalized educational program selected from a rigorous, rich and varied curriculum.Students will be challenged to discover their unique gifts and talents; staff members will support every student in realizing his or her potential. Working in partnership with parents and the community, the Diamond Bar High School staff will provide learning opportunities that reach beyond the boundaries of the classroom and ensure every student a chance for success in college and career, and as citizens and leaders of the 21st century.

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