Alpha: Cornerstone Academy Preparatory vs Shirakawa (George Sr.) Elementary
A head-to-head comparison of two elementary schools in California, United States, 1.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Alpha: Cornerstone Academy Preparatory
San Jose · Charter elementary · Grades K–8
554 students
Shirakawa (George Sr.) Elementary
San Jose · Public elementary · Grades K–8
508 students
| Measure | Alpha: Cornerstone Academy Preparatory San Jose, California | Shirakawa (George Sr.) Elementary San Jose, California |
|---|---|---|
| Success Index (US) | 69 Top 25% | 39 Lower 50% |
| State rank | #862 of 5,693 | #2632 of 5,693 |
| National rank | #11847 of 50,301 | #32703 of 50,301 |
| Sector | Charter | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–8 | Grades K–8 |
| Students | 554 | 508 |
| Enrollment | 554 | 508 |
| Free/reduced-price lunch | 55.2% | 82.7% |
| Students per teacher | 23.1 | 23.1 |
| Reading proficiency | 75% | 54% |
| Math proficiency | 78% | 45% |
| city | San Jose | San Jose |
| state | California | California |
| Website | – | – |
The verdict
- •Alpha: Cornerstone Academy Preparatory scores higher on the Success Index (US) (69.2 vs 38.9).
- •Alpha: Cornerstone Academy Preparatory does better on math proficiency (78% vs 45%).
- •Alpha: Cornerstone Academy Preparatory does better on reading proficiency (75% vs 54%).
- •Alpha: Cornerstone Academy Preparatory does better on community advantage (fewer free/reduced-price lunch) (55.2% vs 82.7%).
- •Alpha: Cornerstone Academy Preparatory is the larger school with 554 students compared with 508.
- •Alpha: Cornerstone Academy Preparatory is a charter school while Shirakawa (George Sr.) Elementary is a public school, so fees and admission rules differ.
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 Alpha: Cornerstone Academy Preparatory better than Shirakawa (George Sr.) Elementary?
On the Success Index (US), Alpha: Cornerstone Academy Preparatory ranks higher (69.2 vs 38.9 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 Alpha: Cornerstone Academy Preparatory and Shirakawa (George Sr.) Elementary?
About 1.1 km in a straight line, between San Jose and San Jose in California.
Which has the better Enrollment?
Alpha: Cornerstone Academy Preparatory: 554. Shirakawa (George Sr.) Elementary: 508. Students enrolled in the latest NCES directory year.
How do Alpha: Cornerstone Academy Preparatory and Shirakawa (George Sr.) Elementary rank in California?
Alpha: Cornerstone Academy Preparatory is 862nd of 5,693 and Shirakawa (George Sr.) Elementary is 2632nd of 5,693 among elementary schools in California on the 2025 Success Index (US).