Upland · San Bernardino County

Schools in ZIP code 91784

ZIP code 91784 has two ranked public elementary schools and one middle school. Pepper Tree Elementary is at the 80th percentile, Valencia Elementary the 76th and Pioneer Junior High the 86th, each among the California schools we score at its level (spring 2026 tests).

  1. Elementary

    Pepper Tree Elementary

    80thStrong

    grades K–6 · spring 2026 tests

    Valencia Elementary

    76thStrong

    grades K–6 · spring 2026 tests

  2. Middle

    Pioneer Junior High

    86thStrong

    grades 7–8 · spring 2026 tests

  3. High

    ZIP code 91784 has no public high school in California’s statewide ranking.

Schools around ZIP code 91784

3 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 91784 score highest?

Pepper Tree Elementary’s 80th percentile means it scored higher than 80 in 100 of the 5,726 California elementary schools we score (spring 2026 tests).

Highest in ZIP code 91784

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

Middle schools

Where does the middle school we score in ZIP code 91784 stand?

Pioneer Junior High’s 86th percentile means it scored higher than 86 in 100 of the 2,529 California middle schools we score (spring 2026 tests).

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

Which places nearby can you look at next?

Nearby ZIP codes

More places (7)

School districts

City

Before kindergarten

Common questions

Which public schools in ZIP code 91784 rank highest?

Elementary: Pepper Tree Elementary, 80th percentile (Strong). Middle: Pioneer Junior High, 86th 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 91784 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 (2)

Are the public schools in ZIP code 91784 good?

The 2 public elementary schools in ZIP code 91784 run from the 76th to the 80th percentile among the 5,726 California elementary schools we score (spring 2026 tests). By band: 2 Strong. ZIP code 91784 has one public middle school we score, Pioneer Junior High, at the 86th percentile among the 2,529 California middle schools we score (spring 2026 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.

Where do these results come from?

California’s state tests (CAASPP) from spring 2026 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 91784 mailing address. Attendance zones follow school districts rather than postal boundaries.

Data source: California Department of Education · CAASPP 2025–26

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.