Castillero Middle vs Williams Elementary
A head-to-head comparison of two schools in California, United States, 2.8 km apart, using official American 2025 data. The better value in each row is highlighted.
Castillero Middle
San Jose · Public middle · Grades 6–8
865 students
Williams Elementary
San Jose · Public elementary · Grades K–5
559 students
| Measure | Castillero Middle San Jose, California | Williams Elementary San Jose, California |
|---|---|---|
| Success Index (US) | 61 Top 50% | 84 Top 10% |
| State rank | #292 of 1,334 | #63 of 5,693 |
| National rank | #5226 of 15,369 | #2776 of 50,301 |
| Sector | Public | Public |
| Type | Middle | Elementary |
| Year range | Grades 6–8 | Grades K–5 |
| Students | 865 | 559 |
| Enrollment | 865 | 559 |
| Free/reduced-price lunch | 32% | 8.2% |
| Students per teacher | 23.4 | 24.3 |
| Reading proficiency | 61% | 92% |
| Math proficiency | 50% | 88% |
| city | San Jose | San Jose |
| state | California | California |
| Website | – | – |
The verdict
- •Williams Elementary scores higher on the Success Index (US) (84.3 vs 61.1).
- •Williams Elementary does better on math proficiency (88% vs 50%).
- •Williams Elementary does better on reading proficiency (92% vs 61%).
- •Williams Elementary does better on community advantage (fewer free/reduced-price lunch) (8.2% vs 32%).
- •Castillero Middle does better on students per teacher (23.4 vs 24.3).
- •Castillero Middle is the larger school with 865 students compared with 559.
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 Castillero Middle better than Williams Elementary?
On the Success Index (US), Williams Elementary ranks higher (84.3 vs 61.1 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 Castillero Middle and Williams Elementary?
About 2.8 km in a straight line, between San Jose and San Jose in California.
Which has the better Enrollment?
Castillero Middle: 865. Williams Elementary: 559. Students enrolled in the latest NCES directory year.
How do Castillero Middle and Williams Elementary rank in California?
Castillero Middle is 292nd of 1,334 and Williams Elementary is 63rd of 5,693 among middle schools in California on the 2025 Success Index (US).