
Diamond Ranch High
PublicHighGrades 9–12
100 Diamond Ranch Dr., Pomona, CA 91766 · (909) 397-4715 · Part of Pomona Unified School District
Diamond Bar’s School Grade B+ better than 72% of California school districts
Students
1,542
Students per teacher
23:1
Free or reduced lunch
79%
Setting
Suburb
Grades
9–12
What stands out about Diamond Ranch High
- Larger classes: 23 students per teacher
- No state test results published for this school
On the path
Where Diamond Bar kids come from and go next. The whole path →
6–83 middle schoolsDepends on your address
9–12Diamond Ranch HighYou are here
Location
Directions ↗














100 Diamond Ranch Dr., Pomona
Students
Enrollment by grade
Grade 9404
Grade 10377
Grade 11405
Grade 12356
Enrollment over time
1,564’20
1,528’21
1,547’22
1,567’23
1,542’24
About steady since 2020–21.
Who goes here
Hispanic 78%Asian 10%Black 5%White 3%Two or more races 3%Native Hawaiian/Pacific Islander <1%
As reported to NCES, share of students with a reported race or ethnicity.
Parents talk
Questions and answers about Diamond Ranch High from Diamond Bar families.
Other schools in Pomona Unified School District
School facts: U.S. Department of Education (NCES), 2024–2025 school year. Map: © OpenStreetMap contributors.