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Discovery Charter II vs Graystone Elementary

A head-to-head comparison of two elementary schools in California, United States, 2.8 km apart, using official American 2025 data. The better value in each row is highlighted.

MeasureDiscovery Charter II
San Jose, California
Graystone Elementary
San Jose, California
Success Index (US)
62
Top 50%
86
Top 5%
State rank#1273 of 5,693#33 of 5,693
National rank#16908 of 50,301#2202 of 50,301
SectorCharterPublic
TypeElementaryElementary
Year rangeGrades Kโ€“8Grades Kโ€“5
Students476466
Enrollment476466
Free/reduced-price lunch17.4%8.8%
Students per teacher21.620.3
Reading proficiency61%90%
Math proficiency50%89%
citySan JoseSan Jose
stateCaliforniaCalifornia
Websiteโ€“โ€“

The verdict

  • โ€ขGraystone Elementary scores higher on the Success Index (US) (85.5 vs 61.8).
  • โ€ขGraystone Elementary does better on math proficiency (89% vs 50%).
  • โ€ขGraystone Elementary does better on reading proficiency (90% vs 61%).
  • โ€ขGraystone Elementary does better on community advantage (fewer free/reduced-price lunch) (8.8% vs 17.4%).
  • โ€ขGraystone Elementary does better on students per teacher (20.3 vs 21.6).
  • โ€ขDiscovery Charter II is the larger school with 476 students compared with 466.
  • โ€ขDiscovery Charter II is a charter school while Graystone 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 Discovery Charter II better than Graystone Elementary?

On the Success Index (US), Graystone Elementary ranks higher (85.5 vs 61.8 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 Discovery Charter II and Graystone Elementary?

About 2.8 km in a straight line, between San Jose and San Jose in California.

Which has the better Enrollment?

Discovery Charter II: 476. Graystone Elementary: 466. Students enrolled in the latest NCES directory year.

How do Discovery Charter II and Graystone Elementary rank in California?

Discovery Charter II is 1273rd of 5,693 and Graystone Elementary is 33rd of 5,693 among elementary schools in California on the 2025 Success Index (US).