OCS - South
Altadena, CA · Pasadena Unified
Public school · Charter · Grades K-8
1,236th of 5,659 California elementary schools statewide · better than 78%▲ Improving
575 West Altadena Dr., Altadena, CA 91001
(626) 209-5635Official website ↗NCES ID 062994014352
SchoolRow ranks OCS - South 1,236th of 5,659 California elementary schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 78% of elementary schools statewide. Its statewide percentile went from 71th in 2022 to 78th in 2025 — improving.
Percent meeting or exceeding the state standard, CAASPP 2024–25 · 101 students tested
Typical home value $1.12M in zip 91001 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than OCS - South
- #581Odyssey CharterLos Angeles County Office of Education · 0.2 mi away · charter581st of 5,659
ELA 80% ▲13 · Math 65% ▲12Compare - #2796Mary W. Jackson STEAM Multilingual Magnet ElementaryPasadena Unified · 1.1 mi away2,796th of 5,659
ELA 43% ▼24 · Math 38% ▼15Compare - #2187Altadena ElementaryPasadena Unified · 1.6 mi away2,187th of 5,659
ELA 49% ▼18 · Math 45% ▼8Compare - #120Paradise Canyon ElementaryLa Canada Unified · 1.8 mi away120th of 5,659
ELA 86% ▲19 · Math 83% ▲30Compare - #1711Aveson School of LeadersPasadena Unified · 1.9 mi away · charter1,711th of 5,659
ELA 52% ▼15 · Math 54% ▲1Compare - #5269Alma Fuerte PublicLos Angeles County Office of Education · 2 mi away · charter5,269th of 5,659
ELA 22% ▼45 · Math 13% ▼40Compare - #4174Washington Elementary STEM MagnetPasadena Unified · 2 mi away4,174th of 5,659
ELA 33% ▼34 · Math 24% ▼29Compare - #2560Longfellow (Henry W.) ElementaryPasadena Unified · 2.6 mi away2,560th of 5,659
ELA 47% ▼20 · Math 39% ▼14Compare
What school district is OCS - South in?
OCS - South is part of the Pasadena Unified district in Altadena, California.
Is OCS - South a good school?
SchoolRow ranks OCS - South 1,236th of 5,659 California elementary schools (better than 78% statewide) based on 2024–25 test results (CAASPP 2024–25).
How much do homes near OCS - South cost?
The typical home value in zip code 91001 is $1.12M as of 2026-05 (Zillow ZHVI).
Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.