Altadena · Los Angeles County

Schools in Altadena

Altadena’s 4 public elementary schools run from the 51st to the 79th percentile among the 5,726 California elementary schools we score (spring 2026 tests).

Elementary · 4 schools

from 51st to 79th · among 5,726 California elementary schools we score · spring 2026 tests

  • Odyssey Charter: 79th percentile, Strong
  • Altadena Elementary: 62nd percentile, Solid
  • Mary W. Jackson STEAM Multilingual Magnet Elementary: 57th percentile, Solid
  • OCS - South: 51st percentile, Solid
0Needs Support
0Developing
3Solid
1Strong

One dot per school.

Middle school picture

Middle · 3 schools

from 28th to 76th · among 2,529 California middle schools we score · spring 2026 tests

  • Odyssey Charter: 76th percentile, Strong
  • OCS - South: 65th percentile, Solid
  • Charles W. Eliot Middle: 28th percentile, Developing
0Needs Support
1Developing
1Solid
1Strong

One dot per school. Each stage is placed only among California schools at its own level. 2 of the 5 ranked schools teach two levels, so they appear in more than one picture.

Schools around Altadena

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 Altadena score highest?

Odyssey Charter is highest, at the 79th percentile.

That’s higher than 79 in 100 of the 5,726 California elementary schools we score (spring 2026 tests).

Highest in Altadena

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

Show the other 1 elementary school
  • OCS - SouthPasadena Unified · Charter school. Check how it admits students.
    51stSolidScope Score 36
Context

The average Altadena elementary school had 19 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 Altadena score highest?

Odyssey Charter is highest, at the 76th percentile.

That’s higher than 76 in 100 of the 2,529 California middle schools we score (spring 2026 tests).

Highest in Altadena

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

  • Odyssey CharterLos Angeles County Office of Education · Charter school. Check how it admits students.
    76thStrongScope Score 51
  • OCS - SouthPasadena Unified · Charter school. Check how it admits students.
    65thSolidScope Score 45
  • Charles W. Eliot MiddlePasadena Unified
    28thDevelopingScope Score 29
Context

The average Altadena middle school had 19 in 100 students chronically absent in 2025–26; the average California middle school we score had 18 in 100.

6 private schools have a Altadena 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 (3)

ZIP codes

Before kindergarten

Common questions

Which public schools in Altadena rank highest?

Elementary: Odyssey Charter, 79th percentile (Strong). Middle: Odyssey Charter, 76th 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 Altadena 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 Altadena good?

Altadena’s 4 public elementary schools run from the 51st to the 79th percentile among the 5,726 California elementary schools we score (spring 2026 tests). By band: 1 Strong and 3 Solid. Altadena’s 3 public middle schools run from the 28th to the 76th percentile among the 2,529 California middle schools we score (spring 2026 tests). By band: 1 Strong, 1 Solid and 1 Developing. 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 Altadena compare with California?

The average Altadena elementary school had 19 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. The average Altadena middle school had 19 in 100 students chronically absent in 2025–26; the average California middle school we score had 18 in 100. These are averages of school rates: each school counts once, whatever its size.

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 public schools with a Altadena address, which can belong to more than one school district.

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.