Castle Rock Elementary vs Shelyn Elementary
A head-to-head comparison of two elementary schools in California, United States, 3.2 km apart, using official American 2025 data. The better value in each row is highlighted.
Castle Rock Elementary
Diamond Bar · Public elementary · Grades K–5
684 students
Shelyn Elementary
Rowland Heights · Public elementary · Grades K–6
508 students
| Measure | Castle Rock Elementary Diamond Bar, California | Shelyn Elementary Rowland Heights, California |
|---|---|---|
| Success Index (US) | 73 Top 25% | 51 Top 50% |
| State rank | #665 of 5,693 | #1825 of 5,693 |
| National rank | #9497 of 50,301 | #24293 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades K–6 |
| Students | 684 | 508 |
| Enrollment | 684 | 508 |
| Free/reduced-price lunch | 26.6% | 64% |
| Students per teacher | 26.3 | 22.1 |
| Reading proficiency | 70% | 53% |
| Math proficiency | 73% | 60% |
| city | Diamond Bar | Rowland Heights |
| state | California | California |
| Website | – | – |
The verdict
- •Castle Rock Elementary scores higher on the Success Index (US) (72.6 vs 51.3).
- •Castle Rock Elementary does better on math proficiency (73% vs 60%).
- •Castle Rock Elementary does better on reading proficiency (70% vs 53%).
- •Castle Rock Elementary does better on community advantage (fewer free/reduced-price lunch) (26.6% vs 64%).
- •Shelyn Elementary does better on students per teacher (22.1 vs 26.3).
- •Castle Rock Elementary is the larger school with 684 students compared with 508.
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 Castle Rock Elementary better than Shelyn Elementary?
On the Success Index (US), Castle Rock Elementary ranks higher (72.6 vs 51.3 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 Castle Rock Elementary and Shelyn Elementary?
About 3.2 km in a straight line, between Diamond Bar and Rowland Heights in California.
Which has the better Enrollment?
Castle Rock Elementary: 684. Shelyn Elementary: 508. Students enrolled in the latest NCES directory year.
How do Castle Rock Elementary and Shelyn Elementary rank in California?
Castle Rock Elementary is 665th of 5,693 and Shelyn Elementary is 1825th of 5,693 among elementary schools in California on the 2025 Success Index (US).