For the 2026 school year, there is 1 public high school serving 2,532 students in Diamond Bar, CA. The top-ranked public high school in Diamond Bar, CA is Diamond Bar High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Diamond Bar, CA public high school have an average math proficiency score of 68% (versus the California public high school average of 28%), and reading proficiency score of 78% (versus the 51% statewide average). High schools in Diamond Bar have an average ranking of 10/10, which is in the top 5% of California public high schools.
Diamond Bar, CA public high school have a Graduation Rate of 97%, which is more than the California average of 86%.
The school with highest graduation rate is Diamond Bar High School, with 97% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 94% of the student body (majority Asian), which is more than the California public high school average of 79% (majority Hispanic).
Best Public High Schools in Diamond Bar, CA (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Diamond Bar High School
(Math: 68% | Reading: 78%)
Rank:
Rank:
10/
Top 10%10
21400 Pathfinder Rd.
Diamond Bar, CA 91765
(909) 594-1405
Diamond Bar, CA 91765
(909) 594-1405
Gr: 9-12 | 2,532 students Student-teacher ratio: 25:1 Minority enrollment: 94%
Frequently Asked Questions
What are the top-ranked public high schools in Diamond Bar, CA?
The top-ranked public high schools in Diamond Bar, CA include Diamond Bar High School. Diamond Bar has one of the highest concentrations of top-ranked public schools in California.
How many public high schools are located in Diamond Bar?
1 public high schools are located in Diamond Bar.
What is the racial composition of students in Diamond Bar?
Diamond Bar public high schools minority enrollment is 94% of the student body (majority Asian), which is more than the California public high schools average of 79% (majority Hispanic).
Recent Articles
Public School Transportation & Commute Planning Guide
Learn how public school transportation and commute planning can help families prepare for the coming school year safely and efficiently.
New Public School Safety Protocols 2025–26 Guide
Learn how new public school safety protocols for 2025–26 affect students, parents, and schools nationwide.
How Technology Transforms Education in 2025
Explore how technology shapes learning today, with updated data, policy context, trends, and real-world implications for students, educators, and families.