Very Good
#1873 of 9,539 schools in CA
Top 20% in state
Ocs - South
Elementary School · OCS - South District
119 West Palm St., Altadena, CA 91001
Enrollment
370
Student-Teacher
20.6:1
Score
7.8
Grades
Kindergarten – 8th
Enrollment
370
Student-Teacher
20.6:1
Score
7.8
Grades
Kindergarten – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#1,873 of 9,539
In Altadena
#5 of 8
public schools
Academic growth
8.4 / 10
Excellent
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Ocs - South
Elementary School in Altadena · grades Kindergarten – 8th. Start here, then compare fit against nearby and district options.
Fair Oaks School
0.4 mi away. Use as a geographic alternative in the same move search.
Pasadena Waldorf School
0.4 mi away. Use as a geographic alternative in the same move search.
About Ocs - South
Ocs - South is a public elementary school in Altadena, CA, part of OCS - South District. Ocs - South serves approximately 370 students, and covers grades Kindergarten-8th, and has a 20.6:1 student-teacher ratio. Ocs - South has a current MySchoolScout rating of 7.8 out of 10 and ranks #1,873 of 9,539 schools in CA.
Structured state assessment records for Ocs - South show 53% math proficiency (multi-year average, 2018-2024) and 62% reading/ELA proficiency (multi-year average, 2018-2024).
- This school 7.8 · Very Good
- CA avg 6.2
What Parents Should Know
Ocs - South runs 20.6:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Ocs - South is a charter school: publicly funded, but run with more independence than a traditional district school. Many charters are built around a specific model or focus, so it's worth understanding this one's mission, how enrollment works, and how it differs from the district schools nearby.
31% of students at Ocs - South were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Ocs - South — Students at Ocs - South score 59% proficient, which is above what's typical for similar communities (expected: 57%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
30.5%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 18 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.4/10.
How Ocs - South Compares
See how Ocs - South performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
119 West Palm St., Altadena, CA 91001
Nearby Alternatives
Families considering Ocs - South may also want to explore other elementary schools in the area. Pasadena Rosebud Academy (rated 9.2/10, 0.9 miles away), which scores notably higher. Another option is Odyssey Charter (rated 8.1/10, 0.7 miles away), with a very similar rating. Additionally, Mary W. Jackson STEAM Multilingual Magnet Elementary (rated 8.1/10, 1.3 miles away), with a very similar rating. For more schools in Altadena, see our Altadena schools guide .
Nearby Schools
20 within 1.8 mi| School | Distance | Rating |
|---|---|---|
| FAIR OAKS SCHOOL Altadena | 0.4 mi | — |
| PASADENA WALDORF SCHOOL Altadena | 0.4 mi | 7.3 |
| Aveson Global Leadership Academy Altadena | 0.6 mi | 6.6 |
| Odyssey Charter Altadena | 0.7 mi | 8.1 |
| Pasadena Rosebud Academy Altadena | 0.9 mi | 9.2 |
| OAK KNOLL MONTESSORI SCHOOL Altadena | 0.9 mi | 6.3 |
| Harriet Tubman Pasadena | 1.2 mi | — |
| HARRIET TUBMAN PRESCHOOL & ELEMENTARY Pasadena | 1.2 mi | — |
| Altadena Elementary Altadena | 1.2 mi | 6.6 |
| Mary W. Jackson STEAM Multilingual Magnet Elementary Altadena | 1.3 mi | 8.1 |
| ST MARKS SCHOOL - ALTADENA Altadena | 1.2 mi | 7.7 |
| Saint Mark's School Altadena | 1.2 mi | — |
| Sahag-Mesrob Armenian Christian School Altadena | 1.3 mi | — |
| SAHAG-MESROB ARMENIAN CHRISTIAN SCHOOL Altadena | 1.3 mi | 7.3 |
| John Muir High Pasadena | 1.5 mi | 6.9 |
| Charles W. Eliot Middle Altadena | 1.5 mi | 6.3 |
| Octavia E. Butler Magnet Pasadena | 1.8 mi | 6.8 |
| Washington Elementary STEM Magnet Pasadena | 1.8 mi | 5.0 |
| ST ELIZABETH SCHOOL Altadena | 1.7 mi | 6.9 |
| PASADENA CHRISTIAN SCHOOL Pasadena | 1.8 mi | 7.6 |
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
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Addison Elementary Palo Alto, CA | 7.8 |
| Almond Grove Elementary Oakley, CA | 7.8 |
| Andres and Maria Cardenas Elementary Van Nuys, CA | 7.8 |
| Ben Lomond Elementary Covina, CA | 7.8 |
| Burbank (Luther) Elementary Artesia, CA | 7.8 |
| Center for Advanced Learning Los Angeles, CA | 7.8 |
Frequently Asked Questions
Common questions about Ocs - South
What grades does Ocs - South serve?
Ocs - South serves students in grades Kindergarten through 8th.
How many students attend Ocs - South?
Ocs - South has an enrollment of approximately 370 students.
What is the student-teacher ratio at Ocs - South?
The student-teacher ratio at Ocs - South is 20.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Ocs - South rank in CA?
Ocs - South ranks #1,873 of 9,539 schools in CA.
What is Ocs - South's MySchoolScout rating?
Ocs - South has a current MySchoolScout rating of 7.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Ocs - South?
Based on loaded state assessment records, Ocs - South has 53% math proficiency (multi-year average, 2018-2024) and 62% reading/ELA proficiency (multi-year average, 2018-2024).
Is Ocs - South a charter school?
Yes, Ocs - South is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Ocs - South a Title I school?
No, Ocs - South is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Ocs - South?
30.5% of students at Ocs - South qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 8th
- Enrollment
- 370
- Student-Teacher Ratio
- 20.6:1
- Teachers (FTE)
- 18
- Free/Reduced Lunch
- 30.5%
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Chronic Absenteeism (SY 2022-23)
- 30.5%
- Phone
- (626) 209-5635
Resources & Links
District
OCS - South District- District Enrollment
- 370
- Schools in District
- 1
- Per-Pupil Spending
- $14,374
- District Rank
- #1 of 1
How we rate schools
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