Castle Rock Elementary vs Ybarra Academy for the Arts and Technology
A head-to-head comparison of two elementary schools in California, United States, 3.4 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
Ybarra Academy for the Arts and Technology
Walnut · Public elementary · Grades K–8
630 students
| Measure | Castle Rock Elementary Diamond Bar, California | Ybarra Academy for the Arts and Technology Walnut, California |
|---|---|---|
| Success Index (US) | 73 Top 25% | 48 Lower 50% |
| State rank | #665 of 5,693 | #2028 of 5,693 |
| National rank | #9497 of 50,301 | #26707 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades K–8 |
| Students | 684 | 630 |
| Enrollment | 684 | 630 |
| Free/reduced-price lunch | 26.6% | 66.8% |
| Students per teacher | 26.3 | 25.2 |
| Reading proficiency | 70% | 59% |
| Math proficiency | 73% | 50% |
| city | Diamond Bar | Walnut |
| state | California | California |
| Website | – | – |
The verdict
- •Castle Rock Elementary scores higher on the Success Index (US) (72.6 vs 47.7).
- •Castle Rock Elementary does better on math proficiency (73% vs 50%).
- •Castle Rock Elementary does better on reading proficiency (70% vs 59%).
- •Castle Rock Elementary does better on community advantage (fewer free/reduced-price lunch) (26.6% vs 66.8%).
- •Ybarra Academy for the Arts and Technology does better on students per teacher (25.2 vs 26.3).
- •Castle Rock Elementary is the larger school with 684 students compared with 630.
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 Ybarra Academy for the Arts and Technology?
On the Success Index (US), Castle Rock Elementary ranks higher (72.6 vs 47.7 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 Ybarra Academy for the Arts and Technology?
About 3.4 km in a straight line, between Diamond Bar and Walnut in California.
Which has the better Enrollment?
Castle Rock Elementary: 684. Ybarra Academy for the Arts and Technology: 630. Students enrolled in the latest NCES directory year.
How do Castle Rock Elementary and Ybarra Academy for the Arts and Technology rank in California?
Castle Rock Elementary is 665th of 5,693 and Ybarra Academy for the Arts and Technology is 2028th of 5,693 among elementary schools in California on the 2025 Success Index (US).