Diamond Bar High vs John A. Rowland High
A head-to-head comparison of two high schools in California, United States, 4.2 km apart, using official American 2025 data. The better value in each row is highlighted.
Diamond Bar High
Diamond Bar · Public high · Grades 9–12
2,563 students
John A. Rowland High
Rowland Heights · Public high · Grades 9–12
2,016 students
| Measure | Diamond Bar High Diamond Bar, California | John A. Rowland High Rowland Heights, California |
|---|---|---|
| Success Index (US) | 74 Top 25% | 52 Top 50% |
| State rank | #61 of 1,343 | #366 of 1,343 |
| National rank | #2274 of 16,910 | #7954 of 16,910 |
| Sector | Public | Public |
| Type | High | High |
| Year range | Grades 9–12 | Grades 9–12 |
| Students | 2,563 | 2,016 |
| Enrollment | 2,563 | 2,016 |
| Free/reduced-price lunch | 22.6% | 68.1% |
| Students per teacher | 26.2 | 24.6 |
| Reading proficiency | 80% | 74% |
| Math proficiency | 73% | 51% |
| city | Diamond Bar | Rowland Heights |
| state | California | California |
| Website | – | – |
The verdict
- •Diamond Bar High scores higher on the Success Index (US) (74.3 vs 51.6).
- •Diamond Bar High does better on math proficiency (73% vs 51%).
- •Diamond Bar High does better on reading proficiency (80% vs 74%).
- •Diamond Bar High does better on community advantage (fewer free/reduced-price lunch) (22.6% vs 68.1%).
- •John A. Rowland High does better on students per teacher (24.6 vs 26.2).
- •Diamond Bar High is the larger school with 2,563 students compared with 2,016.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Diamond Bar High better than John A. Rowland High?
On the Success Index (US), Diamond Bar High ranks higher (74.3 vs 51.6 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Diamond Bar High and John A. Rowland High?
About 4.2 km in a straight line, between Diamond Bar and Rowland Heights in California.
Which has the better Enrollment?
Diamond Bar High: 2,563. John A. Rowland High: 2,016. Students enrolled in the latest NCES directory year.
How do Diamond Bar High and John A. Rowland High rank in California?
Diamond Bar High is 61st of 1,343 and John A. Rowland High is 366th of 1,343 among high schools in California on the 2025 Success Index (US).