Is this your school? Email the board to prioritize reading!
Email BoardOdyssey Charter
725 West Altadena Drive, Altadena, CA 91001-4103
Summary
Odyssey Charter is a good school.
Reading and math results average to the 91st percentile among comparable California schools.
72.1% of students met California's reading standard, but it is trending down.
57.1% of students met California's math standard, and it is quickly trending down.
Proficiency stats
| Current Reading Proficiency | 72.1% |
| Current Math Proficiency | 57.1% |
| Reading State Rank | 128/1,734 (93rd percentile) |
| Math State Rank | 192/1,735 (89th percentile) |
School information
| Student / Teacher Ratio | 26:1 |
| Student enrollment (2024–25) | 463 |
| Low-Income Students | 118 (25.5%) |
| English Learners | 9 (1.9%) |
Quick links
School Website
Great Schools
Niche
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | Yes |
| Magnet school | No |
Test score trends
Reading fell 7.5 points from last year and fell 3.6 points over the full period. Math fell 8.0 points from last year and fell 11.9 points over the full period.
•Math -11.9 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. Two or more races and White students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 50.0% to 87.2% across the grades shown. Overall, the school’s reading results rank in the top 8% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 26.5-point reading income gap is wider than the 16.5-point gap at a typical California K–8 school. It widened over the period shown.
•English Learners vs English Native
Results for both language groups are unavailable, so a current reading gap cannot be calculated.
Math Proficiency Scores
2026 state test results
Race and Ethnicity
White students have the strongest math results at about 71% proficiency. The other reported groups range from about 24% to 55%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 43.3% to 71.1% across the grades shown. Overall, the school’s math results rank in the top 12% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 27.3-point math income gap is wider than the 15.5-point gap at a typical California K–8 school. It narrowed over the period shown.
•English Learners vs English Native
Results for both language groups are unavailable, so a current math gap cannot be calculated.
Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 802 schools for reading and 801 for math. The comparison uses 2026 California K–8 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Odyssey Charter compare within the district?
Odyssey Charter is No. 1 in both reading and math proficiency among the 3 K–8 schools in Los Angeles County Office of Education with 2026 results.
Explore the district’s schoolsHow does Odyssey Charter rank in California?
Odyssey Charter ranks No. 128 of 1,734 in reading and No. 192 of 1,735 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Odyssey Charter compare within the district?
Low-income students here rank No. 2 in both subjects among 3 K–8 district schools with reportable 2026 results for this group. 53.1% meet the reading standard and 37.5% meet the math standard.
See results by student groupHow does Odyssey Charter compare with other schools in Altadena?
Odyssey Charter is No. 1 in both reading and math proficiency among the 2 K–8 schools in Altadena with 2026 results.
Explore schools in AltadenaWhich schools should I compare?
Schools serving K–8 in the same district.
| School | Math | Reading |
|---|---|---|
| Odyssey CharterThis school | 57.1% | 72.1% |
| Alma Fuerte Public | 13.9% | 25.7% |
| Lashon Academy | 42.0% | 55.2% |
