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Arroyo Elementary vs Hollow Hills Elementary

A head-to-head comparison of two elementary schools in California, United States, 3.4 km apart, using official American 2025 data. The better value in each row is highlighted.

MeasureArroyo Elementary
Simi Valley, California
Hollow Hills Elementary
Simi Valley, California
Success Index (US)
26
Lower 50%
66
Top 50%
State rank#3714 of 5,693#1075 of 5,693
National rank#41183 of 50,301#14399 of 50,301
SectorPublicPublic
TypeElementaryElementary
Year rangeGrades Kโ€“6Grades Kโ€“6
Students264560
Enrollment264560
Free/reduced-price lunch67%39.5%
Students per teacher22.028.0
Reading proficiency42%71%
Math proficiency17%62%
citySimi ValleySimi Valley
stateCaliforniaCalifornia
Websiteโ€“โ€“

The verdict

  • โ€ขHollow Hills Elementary scores higher on the Success Index (US) (65.6 vs 25.8).
  • โ€ขHollow Hills Elementary does better on math proficiency (62% vs 17%).
  • โ€ขHollow Hills Elementary does better on reading proficiency (71% vs 42%).
  • โ€ขHollow Hills Elementary does better on community advantage (fewer free/reduced-price lunch) (39.5% vs 67%).
  • โ€ขArroyo Elementary does better on students per teacher (22.0 vs 28.0).
  • โ€ขHollow Hills Elementary is the larger school with 560 students compared with 264.

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 Arroyo Elementary better than Hollow Hills Elementary?

On the Success Index (US), Hollow Hills Elementary ranks higher (65.6 vs 25.8 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 Arroyo Elementary and Hollow Hills Elementary?

About 3.4 km in a straight line, between Simi Valley and Simi Valley in California.

Which has the better Enrollment?

Arroyo Elementary: 264. Hollow Hills Elementary: 560. Students enrolled in the latest NCES directory year.

How do Arroyo Elementary and Hollow Hills Elementary rank in California?

Arroyo Elementary is 3714th of 5,693 and Hollow Hills Elementary is 1075th of 5,693 among elementary schools in California on the 2025 Success Index (US).