Alta Loma · San Bernardino County

Schools in ZIP code 91737

Three districts run the ranked public schools in ZIP code 91737: Alta Loma Elementary (elementary and middle), Etiwanda Elementary (elementary) and Chaffey Joint Union High (high). The 3 public elementary schools in ZIP code 91737 run from the 74th to the 87th percentile among the 5,726 California elementary schools we score (spring 2026 tests).

Elementary · 3 schools · Alta Loma Elementary and Etiwanda Elementary

from 74th to 87th · among 5,726 California elementary schools we score · spring 2026 tests

  • Banyan Elementary: 87th percentile, Strong
  • Caryn Elementary: 79th percentile, Strong
  • Hermosa Elementary: 74th percentile, Solid
0Needs Support
0Developing
1Solid
2Strong

One dot per school.

A ZIP code doesn’t decide which school a child attends. Confirm the school for your address with the district.

Middle and high school pictures

Middle · 1 school · Alta Loma Elementary

at 86th · among 2,529 California middle schools we score · spring 2026 tests

  • Vineyard Junior High: 86th percentile, Strong
0Needs Support
0Developing
0Solid
1Strong

High · 1 school · Chaffey Joint Union High

at 85th · among 1,498 California high schools we score · spring 2025 tests

  • Los Osos High: 85th percentile, Strong
0Needs Support
0Developing
0Solid
1Strong

One dot per school. Each stage is placed only among California schools at its own level.

Schools around ZIP code 91737

5 listed public schools with mapped locations.

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Percentile among California schools at the same level

  • Strong75th+
  • Solid50–74th
  • Developing25–49th
  • Needs Supportbelow 25th
  • Not scored

The school lists on this page are also available without the map.

Elementary schools

Which elementary schools in ZIP code 91737 score highest?

Banyan Elementary is highest, at the 87th percentile.

That’s higher than 87 in 100 of the 5,726 California elementary schools we score (spring 2026 tests).

Highest in ZIP code 91737

Each percentile compares a school with California schools at its own level. What patterns mean

Context

The average elementary school in ZIP code 91737 had 9 in 100 students chronically absent (missed 10% or more of school days) in 2025–26; the average California elementary school we score had 17 in 100. Both are averages of school rates, each school counted once.

Middle schools

Where does the middle school we score in ZIP code 91737 stand?

Vineyard Junior High is at the 86th percentile.

That’s higher than 86 in 100 of the 2,529 California middle schools we score (spring 2026 tests). It’s the only public middle school we score in ZIP code 91737.

Each percentile compares a school with California schools at its own level.

High schools

Where does the high school we score in ZIP code 91737 stand?

Los Osos High is at the 85th percentile.

That’s higher than 85 in 100 of the 1,498 California high schools we score (spring 2025 tests). It’s the only public high school we score in ZIP code 91737.

Each percentile compares a school with California schools at its own level.

4 private schools have an address in ZIP code 91737. They don’t take California’s state tests, so we don’t score them. See them in the private-school directory →

Which places nearby can you look at next?

Nearby ZIP codes

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School districts

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Before kindergarten

Common questions

Which public schools in ZIP code 91737 rank highest?

Elementary: Banyan Elementary, 87th percentile (Strong). Middle: Vineyard Junior High, 86th percentile (Strong). High: Los Osos High, 85th percentile (Strong). Each percentile is among the California schools at the same level we score. A rank doesn’t decide fit or whether a child can enroll.

Does living in ZIP code 91737 decide which school my child attends?

No. ZIP codes are for mail; attendance boundaries decide the school for an address. Confirm the school for your address, grade and program with the district.
More questions (3)

Are the public schools in ZIP code 91737 good?

The 3 public elementary schools in ZIP code 91737 run from the 74th to the 87th percentile among the 5,726 California elementary schools we score (spring 2026 tests). By band: 2 Strong and 1 Solid. ZIP code 91737 has one public middle school we score, Vineyard Junior High, at the 86th percentile among the 2,529 California middle schools we score (spring 2026 tests). By band: 1 Strong. ZIP code 91737 has one public high school we score, Los Osos High, at the 85th percentile among the 1,498 California high schools we score (spring 2025 tests). By band: 1 Strong. A percentile compares a school with California public schools at the same level that we score. How we score schools.

How does chronic absence in ZIP code 91737 compare with California?

The average elementary school in ZIP code 91737 had 9 in 100 students chronically absent (missed 10% or more of school days) in 2025–26; the average California elementary school we score had 17 in 100. Both are averages of school rates, each school counted once. These are averages of school rates: each school counts once, whatever its size.

Where do these results come from?

California’s state tests (CAASPP): spring 2026 for elementary and middle schools, spring 2025 for high schools, and chronic-absence rates for 2025–26, published by the California Department of Education. Percentiles, bands and Scope Scores are SchoolScope’s calculations. How we score schools.

Sources and methodology

This page lists the schools with a 91737 mailing address. Attendance zones follow school districts rather than postal boundaries.

Data source: California Department of Education · CAASPP 2025–26 elementary and middle school; 2024–25 high school

Percentiles, bands and Scope Scores are SchoolScope’s own calculations from these state files.

View CDE data ↗ (opens in a new tab)How Scope Scores work →

Download these schools (CSV)Free to use under CC BY 4.0 with attribution.