Arroyo Elementary vs Ray Wiltsey Middle
A head-to-head comparison of two schools in California, United States, 2.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Arroyo Elementary
Ontario · Public elementary · Grades K–8
493 students
Ray Wiltsey Middle
Ontario · Public middle · Grades 6–8
727 students
| Measure | Arroyo Elementary Ontario, California | Ray Wiltsey Middle Ontario, California |
|---|---|---|
| Success Index (US) | 23 Lower 50% | 20 Lower 50% |
| State rank | #4008 of 5,693 | #968 of 1,334 |
| National rank | #42867 of 50,301 | #13775 of 15,369 |
| Sector | Public | Public |
| Type | Elementary | Middle |
| Year range | Grades K–8 | Grades 6–8 |
| Students | 493 | 727 |
| Enrollment | 493 | 727 |
| Free/reduced-price lunch | 76.3% | 95.2% |
| Students per teacher | 21.4 | 17.7 |
| Reading proficiency | 35% | 35% |
| Math proficiency | 29% | 25% |
| city | Ontario | Ontario |
| state | California | California |
| Website | – | – |
The verdict
- •Arroyo Elementary scores higher on the Success Index (US) (23.1 vs 20.0).
- •Arroyo Elementary does better on math proficiency (29% vs 25%).
- •Arroyo Elementary does better on community advantage (fewer free/reduced-price lunch) (76.3% vs 95.2%).
- •Ray Wiltsey Middle does better on students per teacher (17.7 vs 21.4).
- •Ray Wiltsey Middle is the larger school with 727 students compared with 493.
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 Arroyo Elementary better than Ray Wiltsey Middle?
On the Success Index (US), Arroyo Elementary ranks higher (23.1 vs 20.0 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 Arroyo Elementary and Ray Wiltsey Middle?
About 2.1 km in a straight line, between Ontario and Ontario in California.
Which has the better Enrollment?
Arroyo Elementary: 493. Ray Wiltsey Middle: 727. Students enrolled in the latest NCES directory year.
How do Arroyo Elementary and Ray Wiltsey Middle rank in California?
Arroyo Elementary is 4008th of 5,693 and Ray Wiltsey Middle is 968th of 1,334 among elementary schools in California on the 2025 Success Index (US).