Enrollment
392
Elementary
STATE 465
SCHOOL COMMUNITY·OCS - SOUTH DISTRICT·NCES 060239914352
OCS - South
119 West Palm St., Altadena, CA 91001 · (626) 209-5635 · Los Angeles County
GRADES KG–08ELEMENTARY21-SUBURBCHARTERREGULAR SCHOOL392 STUDENTS
Student : Teacher
19.6:1
20 FTE teachers
STATE 22.3:1
Free / Reduced Lunch
29%
112 students
STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 109 | 28% |
| Grade 1 | 41 | 10% |
| Grade 2 | 34 | 9% |
| Grade 3 | 42 | 11% |
| Grade 4 | 41 | 10% |
| Grade 5 | 55 | 14% |
| Grade 6 | 34 | 9% |
| Grade 7 | 14 | 4% |
| Grade 8 | 22 | 6% |
This year's kindergarten class (109) is 395% larger than its 8th grade class (22).
Student demographics
73%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Schools most like OCS - South
| School | Students | Low-income | Proficient |
|---|---|---|---|
| OCS - South this school | 392 | 28.6% | N/A |
| Webster (Daniel) Elementary San Francisco | 354 | 30.5% | 56.6% |
| Prisk Elementary Long Beach | 469 | 27.3% | 75.8% |
| Crestview Elementary Vandenberg Air Force Base | 373 | 28.4% | 47.2% |
| Emerson Parkside Academy Long Beach | 356 | 25.3% | 68.2% |
| Kettering Elementary Long Beach | 348 | 32.2% | 71.5% |
Matched among California elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where OCS - South ranks
Among elementary schools| Measure | This school | In California | In Los Angeles County |
|---|---|---|---|
| Enrollment ranked largest first | 392 | #3,784 of 5,915 | #810 of 1,300 |
| Students per teacher ranked fewest first | 19.6:1 | #759 of 5,352 | #230 of 1,213 |
| Diversity index ranked most diverse first | 72.9% | #310 of 5,354 | #48 of 1,214 |
| Free and reduced lunch ranked highest share first | 28.6% | #4,812 of 5,625 | #1,147 of 1,276 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
392
+125 (+47%) vs 2020
Student : Teacher
19.6:1
was 22.3:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 392 | 20 | 19.6:1 | 29% (112) |
| 2023-24 | 370 | 18 | 20.6:1 | 31% (113) |
| 2022-23 | 342 | 17 | 20.1:1 | 29% (99) |
| 2020-21 | 267 | 12 | 22.3:1 | 25% (66) |
Source: NCES Common Core of Data. Rows are the federal collections on file for OCS - South.
About OCS - South
The public elementary school OCS - South is located in Altadena, California. The school counted 392 students in 2024-25, covering kindergarten through 8.
OCS - South is part of OCS - South District.
At OCS - South, Hispanic students make up the biggest share, 35%. Smaller groups are 33% White, 14% multiracial, 10% Asian, and 7% Black. County-wide, 48% of Los Angeles County residents are Hispanic. A diversity index of 73% means there is a 73% chance two randomly chosen students at OCS - South are from different groups.
Its staff includes 20 full-time-equivalent teachers, for about 19.6 students per teacher. Across elementary schools in California, the average ratio is 22.3:1. OCS - South has a free or reduced-price lunch rate of 29%. That is 41 points below the 70% average for public schools in Los Angeles County.
In Los Angeles County, where the school is located, the median household earns about $90,112 a year, roughly 36% of adults have a four-year degree or more, and about 10% of residents live below the federal poverty line. Counting OCS - South, Los Angeles County has 2,244 public schools.
Odyssey Charter is the nearest public school to OCS - South, about 0.7 miles away. Counting only straight-line distance, at least 8 other public schools are within five miles.
OCS - South is coded as Suburb: Large in federal locale data. OCS - South is a publicly funded charter school.
The school counted 267 students in 2020-21 and 392 in 2024-25. A shift in the grades offered could account for part of the difference. The ratio of students to teachers went from 22.3:1 to 19.6:1 over the same years.
OCS - South has a community page on allk12 for topics such as special education services, counseling, and support programs. You can also rate the school on this page.
Los Angeles County at a glance
View full county profilePopulation
9,808,667
Census ACS
Median income
$90,112
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
2,244
1,265,907 students
Quick facts
Related schools
Other schools in Altadena
- Mary W. Jackson STEAM Multilingual Magnet ElementaryElementary · 658 students
- Altadena ElementaryElementary · 527 students
- Odyssey CharterElementary · 463 students
- Charles W. Eliot MiddleMiddle · 407 students
Nearby schools
- Odyssey Charter0.7 mi · 463
- Altadena Elementary1.2 mi · 527
- Mary W. Jackson STEAM Multilingual Magnet Elementary1.3 mi · 658
- Charles W. Eliot Middle1.5 mi · 407
- John Muir High1.5 mi · 1,206
- La Canada High1.8 mi · 1,989
Frequently asked questions
About OCS - SouthHow many students attend OCS - South?
OCS - South enrolls approximately 392 students in grades KG-08.
What grades does OCS - South serve?
OCS - South serves grades KG-08.
What is the student-teacher ratio at OCS - South?
The student-to-teacher ratio at OCS - South is approximately 19.6:1 (20 FTE teachers).
What is the racial breakdown of students at OCS - South?
At OCS - South, the student body is approximately 33% White, 35% Hispanic, 7% Black, 10% Asian, 14% Two or more.
Is OCS - South public or private?
OCS - South is a public K-12 school operated as a charter, overseen by OCS - South District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.