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Alpha: Cornerstone Academy Preparatory vs Denair Elementary Charter Academy

A head-to-head comparison of two elementary schools in California, United States, 95 km apart, using official American 2025 data. The better value in each row is highlighted.

MeasureAlpha: Cornerstone Academy Preparatory
San Jose, California
Denair Elementary Charter Academy
Denair, California
Success Index (US)
69
Top 25%
20
Lower 50%
State rank#862 of 5,693#4416 of 5,693
National rank#11847 of 50,301#45023 of 50,301
SectorCharterCharter
TypeElementaryElementary
Year rangeGrades Kโ€“8Grades Kโ€“5
Students554554
Enrollment554554
Free/reduced-price lunch55.2%64.8%
Students per teacher23.119.1
Reading proficiency75%25%
Math proficiency78%21%
citySan JoseDenair
stateCaliforniaCalifornia
Websiteโ€“โ€“

The verdict

  • โ€ขAlpha: Cornerstone Academy Preparatory scores higher on the Success Index (US) (69.2 vs 19.7).
  • โ€ขAlpha: Cornerstone Academy Preparatory does better on math proficiency (78% vs 21%).
  • โ€ขAlpha: Cornerstone Academy Preparatory does better on reading proficiency (75% vs 25%).
  • โ€ขAlpha: Cornerstone Academy Preparatory does better on community advantage (fewer free/reduced-price lunch) (55.2% vs 64.8%).
  • โ€ขDenair Elementary Charter Academy does better on students per teacher (19.1 vs 23.1).

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 Denair Elementary Charter Academy?

On the Success Index (US), Alpha: Cornerstone Academy Preparatory ranks higher (69.2 vs 19.7 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 Alpha: Cornerstone Academy Preparatory and Denair Elementary Charter Academy?

About 95 km in a straight line, between San Jose and Denair in California.

Which has the better Enrollment?

Alpha: Cornerstone Academy Preparatory: 554. Denair Elementary Charter Academy: 554. Students enrolled in the latest NCES directory year.

How do Alpha: Cornerstone Academy Preparatory and Denair Elementary Charter Academy rank in California?

Alpha: Cornerstone Academy Preparatory is 862nd of 5,693 and Denair Elementary Charter Academy is 4416th of 5,693 among elementary schools in California on the 2025 Success Index (US).