Excellent
#1242 of 9,533 schools in CA
Top 13% in state
Altadena Elementary
Elementary School · Pasadena Unified
743 East Calaveras St., Altadena, CA 91001
Enrollment
488
Student-Teacher
27.1:1
Score
8.1
Grades
Kindergarten – 5th
Enrollment
488
Student-Teacher
27.1:1
Score
8.1
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Altadena
#3 of 8
public schools
California elementary schools
#898 of 5,817
In district
#6 of 23
Pasadena Unified
Academic growth
9.8 / 10
Exceptional
About Altadena Elementary
Altadena Elementary serves 488 students in kindergarten through fifth grade in the foothills community of Altadena, California. With 18 full-time equivalent teachers, the school maintains a student-teacher ratio of 27.1 to 1, reflecting the challenges many California elementary schools face with class sizes. The school demonstrates solid academic performance, earning a 7.2 out of 10 rating and ranking in the 78th percentile statewide at #2112 out of 9566 California elementary schools.
In English Language Arts, 47% of students score proficient or above across grade levels, while 40% achieve proficiency in mathematics, showing room for continued academic growth in both core subjects. Altadena Elementary sits within an affluent and well-educated community where 52% of residents hold bachelor's degrees or higher, and the median household income reaches $129,030. The neighborhood maintains a low poverty rate of 7.1%, with median home values of just over $1 million, reflecting the desirable foothill location.
The school operates as a regular public elementary school within Los Angeles County, serving families in this large suburban area known for its proximity to both the San Gabriel Mountains and greater Los Angeles region. This unique setting provides students with access to both natural beauty and urban amenities.
What Parents Should Know
The student-teacher ratio at Altadena Elementary is 27.1:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
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Altadena Elementary — Students at Altadena Elementary score 47% proficient, which is above what's typical for similar communities (expected: 39%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
63.1%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 10 test records from CA state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.8/10.
How Altadena Elementary Compares
See how Altadena Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 27% (2019) to 45.08% (2024). Reading/ELA proficiency has improved from 42% (2019) to 49.17% (2024).
Location
743 East Calaveras St., Altadena, CA 91001
Nearby Alternatives
Families considering Altadena Elementary may also want to explore other elementary schools in the area. Pasadena Rosebud Academy (rated 9.1/10, 1.4 miles away), which scores slightly higher. Another option is ST MARKS SCHOOL - ALTADENA (rated 7.7/10, 0.4 miles away), with a comparable rating. Additionally, Longfellow (Henry W.) Elementary (rated 7.7/10, 1.1 miles away, in nearby Pasadena), with a comparable rating. For more schools in Altadena, see our Altadena schools guide .
Nearby Schools
20 within 1.5 mi| School | Distance | Rating |
|---|---|---|
| Charles W. Eliot Middle Altadena | 0.3 mi | 6.4 |
| ST MARKS SCHOOL - ALTADENA Altadena | 0.4 mi | 7.7 |
| Sahag-Mesrob Armenian Christian School Altadena | 0.4 mi | — |
| SAHAG-MESROB ARMENIAN CHRISTIAN SCHOOL Altadena | 0.4 mi | 7.3 |
| Saint Mark's School Altadena | 0.5 mi | — |
| ST ELIZABETH SCHOOL Altadena | 0.6 mi | 6.9 |
| St Elizabeth Parish School Altadena | 0.6 mi | — |
| PASADENA WALDORF SCHOOL Altadena | 0.8 mi | 7.3 |
| FAIR OAKS SCHOOL Altadena | 0.9 mi | — |
| PASADENA CHRISTIAN SCHOOL Pasadena | 1.0 mi | 7.6 |
| Longfellow (Henry W.) Elementary Pasadena | 1.1 mi | 7.7 |
| Harriet Tubman Pasadena | 1.0 mi | — |
| HARRIET TUBMAN PRESCHOOL & ELEMENTARY Pasadena | 1.0 mi | — |
| Octavia E. Butler Magnet Pasadena | 1.1 mi | 7.2 |
| OCS - South Altadena | 1.2 mi | 7.2 |
| Washington Elementary STEM Magnet Pasadena | 1.2 mi | 4.5 |
| OAK KNOLL MONTESSORI SCHOOL Altadena | 1.3 mi | 6.3 |
| EF Academy Pasadena Pasadena | 1.2 mi | — |
| Pasadena Rosebud Academy Altadena | 1.4 mi | 9.1 |
| Tabernacle Of David Christian Academy Pasadena | 1.5 mi | — |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 91001 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$133,840
Median Home Value
$1,085,000
Median Rent
$2,298/mo
Population
36,402
College Educated
52.1%
Homeownership
80.5%
Avg Commute
27.9 min
Poverty Rate
7.2%
Median Age
46.1
Community Profile
The community surrounding Altadena Elementary has a median household income of $133,840. It is a well-educated community where 52% of adults hold a bachelor's degree or higher. The median home value in the area is $1,085,000, with a median rent of $2,298/month. The local poverty rate of 7.2% is relatively low. The average commute for residents is 28 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Addison Elementary Palo Alto, CA | 8.1 |
| Aloha Elementary Lakewood, CA | 8.1 |
| Altamont Creek Elementary Livermore, CA | 8.1 |
| Alvarado Elementary Signal Hill, CA | 8.1 |
| Aptitud Community Academy at Goss San Jose, CA | 8.1 |
| Bathgate Elementary Mission Viejo, CA | 8.1 |
Frequently Asked Questions
Common questions about Altadena Elementary
What grades does Altadena Elementary serve?
Altadena Elementary serves students in grades Kindergarten through 5th.
How many students attend Altadena Elementary?
Altadena Elementary has an enrollment of approximately 488 students.
What is the student-teacher ratio at Altadena Elementary?
The student-teacher ratio at Altadena Elementary is 27.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Altadena Elementary rank in CA?
Altadena Elementary is ranked #1242 out of 9,533 schools in CA.
What is Altadena Elementary's MySchoolScout rating?
Altadena Elementary has a composite rating of 8.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Altadena Elementary?
Based on the most recent state assessment data, Altadena Elementary has 40.1% math proficiency and 47.3% reading/ELA proficiency.
Is Altadena Elementary a charter school?
No, Altadena Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Altadena Elementary a Title I school?
No, Altadena Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Altadena Elementary?
63.1% of students at Altadena Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 488
- Student-Teacher Ratio
- 27.1:1
- Teachers (FTE)
- 18
- Free/Reduced Lunch
- 63.1%
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Phone
- (626) 396-5650
- Data Year
- 2023–2024
Resources & Links
District
Pasadena Unified- District Enrollment
- 13,978
- Schools in District
- 23
- Per-Pupil Spending
- $21,565
- District Rank
- #6 of 23
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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