Diamond Ranch High
100 Diamond Ranch Dr., Pomona, CA 91766 Map
Math (met standard)
31%
−1
state 32% · 2025-26
English (met standard)
68%
+11
state 57% · 2025-26
Science (met standard)
21%
−11
state 33% · 2025-26
Low income
79%
free or reduced-price lunch
Students
1,542
2024-25
Students per teacher
22.5
2024-25
Test score trends
Share of students who met or exceeded the state standard each year.
Latest results by grade
| Grade | Math | English | Science |
|---|---|---|---|
| Grade 11 | 31% state 32% · 2025-26 | 68% state 57% · 2025-26 | — |
| All grades | 31% state 32% · 2025-26 | 68% state 57% · 2025-26 | 21% state 33% · 2025-26 |
Results by year (all grades)
| School year | Math | English | Science |
|---|---|---|---|
| 2025-26 | 31% state 32% | 68% state 57% | 21% state 33% |
| 2024-25 | 26% state 31% | 68% state 57% | 22% state 27% |
| 2023-24 | 26% state 28% | 66% state 56% | 21% state 27% |
| 2022-23 | 24% state 27% | 68% state 55% | 29% state 27% |
| 2021-22 | 27% state 27% | 66% state 55% | 33% state 27% |
| 2018-19 | 37% state 32% | 72% state 57% | 40% state 30% |
| 2017-18 | 25% state 31% | 61% state 56% | — |
| 2016-17 | 31% state 32% | 69% state 60% | — |
| 2015-16 | 33% state 32% | 69% state 59% | — |
| 2014-15 | 27% state 30% | 66% state 56% | — |
Graduation & college
4-year graduation rate
93%
state 88% · 2025-26
Graduates meeting UC/CSU (A–G)
54%
state 55% · 2025-26
College-going rate
80%
state 66% · 2022-23
Graduation rate: students who earned a regular diploma within four years. UC/CSU: share of graduates who completed the A–G courses required by the University of California and California State University. College-going: share of high school completers who enrolled in any college within 12 months.
Students
Race and ethnicity, 2024-25
- Asian 10%
- White 3%
- Hispanic 78%
- Black 5%
- Two or more 3%
- Other 0%
Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).
Nearby schools
2025-26 results
Subject percentages show the share of students who met or exceeded the state standard.
| Pick to compare | |||||
|---|---|---|---|---|---|
|
Fremont Academy of Engineering and Design
Grades 7–12
· Pomona Unified
|
1.8 mi |
21%
−15
vs state
|
37%
−15
vs state
|
93% | |
|
Garey High
Grades 9–12
· Pomona Unified
|
1.8 mi |
36%
+4
vs state
|
61%
+4
vs state
|
91% | |
|
International Polytechnic High
Grades 9–12
Alternative
· Los Angeles County Office of Education
|
3.1 mi |
60%
+28
vs state
|
89%
+31
vs state
|
27% | |
|
School of Arts and Enterprise
Grades 6–12
Charter
· School of Arts and Enterprise District
|
3.1 mi |
12%
−24
vs state
|
49%
−2
vs state
|
68% | |
|
Ganesha High
Grades 9–12
· Pomona Unified
|
3.3 mi |
26%
−6
vs state
|
43%
−15
vs state
|
92% | |
|
Ruben S. Ayala High
Grades 9–12
· Chino Valley Unified
|
3.4 mi |
56%
+25
vs state
|
82%
+24
vs state
|
— | |
|
Don Antonio Lugo High
Grades 9–12
· Chino Valley Unified
|
3.7 mi |
27%
−5
vs state
|
68%
+11
vs state
|
82% | |
|
Boys Republic High
Grades 9–12
Alternative
· Chino Valley Unified
|
3.7 mi |
0%
−30
vs state · 2024-25
|
0%
−57
vs state · 2024-25
|
91% | |
|
Walnut High
Grades 9–12
· Walnut Valley Unified
|
4.1 mi |
62%
+30
vs state
|
80%
+23
vs state
|
24% | |
|
Village Academy High School at Indian Hill
Grades 9–12
Alternative
· Pomona Unified
|
4.2 mi |
33%
+1
vs state
|
75%
+17
vs state
|
89% |
No schools match this filter.