Is this your school? Email the board to prioritize reading!
Email BoardColumbus (Christopher) High
12330 Woodruff Avenue, Downey, CA 90241-5610
Summary
Columbus (Christopher) High is badly underperforming.
Reading and math results average to the 14th percentile among comparable California schools.
Only 18.4% of students met California's reading standard, but it is trending up.
Math is weaker: 0.0% of students met California's math standard, and it is trending down slightly.
Proficiency stats
| Current Reading Proficiency | 18.4% |
| Current Math Proficiency | 0.0% |
| Reading State Rank | 1,301/1,596 (19th percentile) |
| Math State Rank | 1,442/1,596 (10th percentile) |
School information
| Student / Teacher Ratio | 16:1 |
| Student enrollment (2024–25) | 368 |
| Low-Income Students | 331 (89.9%) |
| English Learners | 55 (14.9%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 2.9 points from last year and rose 5.6 points over the full period. Math fell 0.8 points from last year and fell 0.7 points over the full period.
•Math -0.7 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable reading result.
Distribution of Scores by Grade
18.4% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank No. 1,301 of 1,596 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Results for both income groups are unavailable, so a current reading gap cannot be calculated.
•English Learners vs English Native
0.0% of English learners meet the reading standard, compared with 24.2% of English-only students. The gap widened as English-learner results held steady and English-only results rose.
Math Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable math result.
Distribution of Scores by Grade
0.0% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank No. 1,442 of 1,596 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Results for both income groups are unavailable, so a current math gap cannot be calculated.
•English Learners vs English Native
0.0% of English learners meet the math standard, compared with 0.0% of English-only students. The gap narrowed as English-learner results held steady and English-only results fell.
How we compare income gaps
“Typical” means the median gap across 9 schools for reading and 9 for math. The comparison uses 2026 California 11–12 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Columbus (Christopher) High rank in California?
Columbus (Christopher) High ranks No. 1,301 of 1,596 in reading and No. 1,442 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Columbus (Christopher) High compare with other schools in Los Angeles County?
Columbus (Christopher) High is No. 4 in reading and tied for No. 10 in math proficiency among the 16 11–12 schools in Los Angeles County with 2026 results.
Explore schools in Los Angeles County