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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

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

Full Profile · 3/3 metrics
Student Progress9.8Exceptional50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change+2.3 pts/yr
Data Period2019–2024
TrendImproving
Academics8.0Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency45.1%
Reading/ELA Proficiency49.2%
Math vs. State Avg-0.6 pts
Reading vs. State Avg+6.4 pts
Overall Proficiency47%
Expected (poverty-adj.)39%
vs. Expected+8.1 pts
Adjusted Percentile70th
College ReadinessNot Available

Data not available for this school

Resources & Environment4.1Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio27.1:1
Per-Pupil Spending$18,056

Altadena Elementary — Students at Altadena Elementary score 47% proficient, which is above what's typical for similar communities (expected: 39%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

63.1%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 40.1%
School
State
39.4%
ELA Proficiency 47.3%
School
State
45.3%

Based on 10 test records from CA state assessments. About our data

Proficiency Trend

↑ Improving

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
27%
ELA
42%
2024
Math
43.4%
ELA
48.6%

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.

Overall Score
8.1/10
87th percentile in CA
Academic
8.0/10
8.0/10
Growth
9.8/10
Above average
Environment
4.1/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
63%
Teaching Staff
27:1 student-teacher ratio
18 teachers

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
80 Very Walkable
Bike Score
42 Somewhat Bikeable
County Safety
Low (245/100K)

Powered by Walk Score

FBI UCR 2024. County-level only. Data >1 year old.

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
Data Year
2023–2024

District

Pasadena Unified
District Enrollment
13,978
Schools in District
23
Per-Pupil Spending
$21,565
District Rank
#6 of 23

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 methodology

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