San Dimas · Los Angeles County

Schools in San Dimas

San Dimas’s 4 public elementary schools run from the 65th to the 92nd percentile among the 5,726 California elementary schools we score (spring 2026 tests).

Elementary · 4 schools

from 65th to 92nd · among 5,726 California elementary schools we score · spring 2026 tests

  • Arma J. Shull Elementary: 92nd percentile, Strong
  • Gladstone Elementary: 79th percentile, Strong
  • Allen Avenue Elementary: 74th percentile, Solid
  • Fred Ekstrand Elementary: 65th percentile, Solid
0Needs Support
0Developing
2Solid
2Strong

One dot per school.

Middle and high school pictures

Middle · 2 schools

from 87th to 94th · among 2,529 California middle schools we score · spring 2026 tests

  • Ramona Middle: 94th percentile, Strong
  • Lone Hill Middle: 87th percentile, Strong
0Needs Support
0Developing
0Solid
2Strong

High · 1 school

at 80th · among 1,498 California high schools we score · spring 2025 tests

  • San Dimas High: 80th 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 San Dimas

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.

Elementary schools

Which elementary schools in San Dimas score highest?

Arma J. Shull Elementary is highest, at the 92nd percentile.

That’s higher than 92 in 100 of the 5,726 California elementary schools we score (spring 2026 tests).

Highest in San Dimas

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

Show the other 1 elementary school
Context

The average San Dimas elementary school 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

Which middle schools in San Dimas score highest?

Ramona Middle is highest, at the 94th percentile.

That’s higher than 94 in 100 of the 2,529 California middle schools we score (spring 2026 tests).

Highest in San Dimas

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 San Dimas stand?

San Dimas High is at the 80th percentile.

That’s higher than 80 in 100 of the 1,498 California high schools we score (spring 2025 tests). It’s the only public high school we score in San Dimas.

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

2 high schools not ranked statewide

Continuation schools and court and community schools enroll students differently from a regular school, so each is compared only with its own kind or not ranked.

6 private schools have a San Dimas address. 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?

School districts

More places (4)

ZIP codes

Guides

Before kindergarten

Common questions

Which public schools in San Dimas rank highest?

Elementary: Arma J. Shull Elementary, 92nd percentile (Strong). Middle: Ramona Middle, 94th percentile (Strong). High: San Dimas High, 80th 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 San Dimas decide which school my child attends?

No. A city can hold schools from more than one district, and attendance boundaries decide which school serves an address. Confirm the school for your address with the district.
More questions (3)

Are the public schools in San Dimas good?

San Dimas’s 4 public elementary schools run from the 65th to the 92nd percentile among the 5,726 California elementary schools we score (spring 2026 tests). By band: 2 Strong and 2 Solid. San Dimas’s 2 public middle schools run from the 87th to the 94th percentile among the 2,529 California middle schools we score (spring 2026 tests). By band: 2 Strong. San Dimas has one public high school we score, San Dimas High, at the 80th 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 San Dimas compare with California?

The average San Dimas elementary school 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 public schools with a San Dimas address, which can belong to more than one school district.

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.