Diamond Bar · Los Angeles County

Schools in ZIP code 91765

Two districts run the ranked public schools in ZIP code 91765: Pomona Unified (elementary and middle) and Walnut Valley Unified (elementary, middle and high). The 6 public elementary schools in ZIP code 91765 run from the 57th to the 97th percentile among the 5,726 California elementary schools we score (spring 2026 tests).

Elementary · 6 schools · Pomona Unified and Walnut Valley Unified

from 57th to 97th · among 5,726 California elementary schools we score · spring 2026 tests

  • Pantera Elementary: 97th percentile, Strong
  • Maple Hill Elementary: 95th percentile, Strong
  • Quail Summit Elementary: 94th percentile, Strong
  • Evergreen Elementary: 91st percentile, Strong
  • Castle Rock Elementary: 89th percentile, Strong
  • Golden Springs Elementary: 57th percentile, Solid
0Needs Support
0Developing
1Solid
5Strong

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 · 2 schools · Walnut Valley Unified and Pomona Unified

from 55th to 97th · among 2,529 California middle schools we score · spring 2026 tests

  • Chaparral Middle: 97th percentile, Strong
  • Lorbeer Middle: 55th percentile, Solid
0Needs Support
0Developing
1Solid
1Strong

High · 1 school · Walnut Valley Unified

at 93rd · among 1,498 California high schools we score · spring 2025 tests

  • Diamond Bar High: 93rd 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 91765

9 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.

These are the same schools listed on the Diamond Bar page.

Elementary schools

Which elementary schools in ZIP code 91765 score highest?

Pantera Elementary is highest, at the 97th percentile.

That’s higher than 97 in 100 of the 5,726 California elementary schools we score (spring 2026 tests).

Highest in ZIP code 91765

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

Show the other 3 elementary schools
Context

The average elementary school in ZIP code 91765 had 7 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

Which middle schools in ZIP code 91765 score highest?

Chaparral Middle is highest, at the 97th percentile.

That’s higher than 97 in 100 of the 2,529 California middle schools we score (spring 2026 tests).

Highest in ZIP code 91765

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

High schools

Where does the high school we score in ZIP code 91765 stand?

Diamond Bar High is at the 93rd percentile.

That’s higher than 93 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 91765.

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

6 private schools have an address in ZIP code 91765. 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

More places (8)

School districts

City

Before kindergarten

Common questions

Which public schools in ZIP code 91765 rank highest?

Elementary: Pantera Elementary, 97th percentile (Strong). Middle: Chaparral Middle, 97th percentile (Strong). High: Diamond Bar High, 93rd 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 91765 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 91765 good?

The 6 public elementary schools in ZIP code 91765 run from the 57th to the 97th percentile among the 5,726 California elementary schools we score (spring 2026 tests). By band: 5 Strong and 1 Solid. The 2 public middle schools in ZIP code 91765 run from the 55th to the 97th percentile among the 2,529 California middle schools we score (spring 2026 tests). By band: 1 Strong and 1 Solid. ZIP code 91765 has one public high school we score, Diamond Bar High, at the 93rd 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 91765 compare with California?

The average elementary school in ZIP code 91765 had 7 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 91765 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.