Arroyo High vs Bay Elementary
A head-to-head comparison of two schools in California, United States, 1.2 km apart, using official American 2025 data. The better value in each row is highlighted.
Arroyo High
San Lorenzo · Public high · Grades 9–12
1,499 students
Bay Elementary
San Lorenzo · Public elementary · Grades K–5
422 students
| Measure | Arroyo High San Lorenzo, California | Bay Elementary San Lorenzo, California |
|---|---|---|
| Success Index (US) | 40 Lower 50% | 30 Lower 50% |
| State rank | #593 of 1,343 | #3317 of 5,693 |
| National rank | #11058 of 16,910 | #38452 of 50,301 |
| Sector | Public | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades K–5 |
| Students | 1,499 | 422 |
| Enrollment | 1,499 | 422 |
| Free/reduced-price lunch | 64.6% | 69.7% |
| Students per teacher | 25.0 | 22.2 |
| Reading proficiency | 58% | 38% |
| Math proficiency | 35% | 37% |
| city | San Lorenzo | San Lorenzo |
| state | California | California |
| Website | – | – |
The verdict
- •Arroyo High scores higher on the Success Index (US) (39.5 vs 30.1).
- •Bay Elementary does better on math proficiency (37% vs 35%).
- •Arroyo High does better on reading proficiency (58% vs 38%).
- •Arroyo High does better on community advantage (fewer free/reduced-price lunch) (64.6% vs 69.7%).
- •Bay Elementary does better on students per teacher (22.2 vs 25.0).
- •Arroyo High is the larger school with 1,499 students compared with 422.
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 High better than Bay Elementary?
On the Success Index (US), Arroyo High ranks higher (39.5 vs 30.1 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 High and Bay Elementary?
About 1.2 km in a straight line, between San Lorenzo and San Lorenzo in California.
Which has the better Enrollment?
Arroyo High: 1,499. Bay Elementary: 422. Students enrolled in the latest NCES directory year.
How do Arroyo High and Bay Elementary rank in California?
Arroyo High is 593rd of 1,343 and Bay Elementary is 3317th of 5,693 among high schools in California on the 2025 Success Index (US).