Oster Elementary vs Union Middle
A head-to-head comparison of two schools in California, United States, 1.9 km apart, using official American 2025 data. The better value in each row is highlighted.
Oster Elementary
San Jose · Public elementary · Grades K–5
627 students
Union Middle
San Jose · Public middle · Grades 6–8
1,068 students
| Measure | Oster Elementary San Jose, California | Union Middle San Jose, California |
|---|---|---|
| Success Index (US) | 80 Top 25% | 83 Top 10% |
| State rank | #295 of 5,693 | #36 of 1,334 |
| National rank | #5142 of 50,301 | #1038 of 15,369 |
| Sector | Public | Public |
| Type | Elementary | Middle |
| Year range | Grades K–5 | Grades 6–8 |
| Students | 627 | 1,068 |
| Enrollment | 627 | 1,068 |
| Free/reduced-price lunch | 12.8% | 7.8% |
| Students per teacher | 26.1 | 24.3 |
| Reading proficiency | 79% | 84% |
| Math proficiency | 78% | 82% |
| city | San Jose | San Jose |
| state | California | California |
| Website | – | – |
The verdict
- •Union Middle scores higher on the Success Index (US) (83.0 vs 79.7).
- •Union Middle does better on math proficiency (82% vs 78%).
- •Union Middle does better on reading proficiency (84% vs 79%).
- •Union Middle does better on community advantage (fewer free/reduced-price lunch) (7.8% vs 12.8%).
- •Union Middle does better on students per teacher (24.3 vs 26.1).
- •Union Middle is the larger school with 1,068 students compared with 627.
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 Oster Elementary better than Union Middle?
On the Success Index (US), Union Middle ranks higher (83.0 vs 79.7 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 Oster Elementary and Union Middle?
About 1.9 km in a straight line, between San Jose and San Jose in California.
Which has the better Enrollment?
Oster Elementary: 627. Union Middle: 1,068. Students enrolled in the latest NCES directory year.
How do Oster Elementary and Union Middle rank in California?
Oster Elementary is 295th of 5,693 and Union Middle is 36th of 1,334 among elementary schools in California on the 2025 Success Index (US).