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Email BoardCastlemont High
8601 MacArthur Boulevard, Oakland, CA 94605-4037
Summary
Castlemont High is badly underperforming.
Reading and math results average to the 12th percentile among comparable California schools.
Only 8.9% of students met California's reading standard, but it is trending up slightly.
Math is weaker: 3.3% of students met California's math standard, and it is slowly trending down.
Proficiency stats
| Current Reading Proficiency | 8.9% |
| Current Math Proficiency | 3.3% |
| Reading State Rank | 1,458/1,596 (9th percentile) |
| Math State Rank | 1,357/1,596 (15th percentile) |
School information
| Student / Teacher Ratio | 14:1 |
| Student enrollment (2024–25) | 719 |
| Low-Income Students | 716 (99.6%) |
| English Learners | 361 (50.2%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 2.5 points from last year and rose 0.7 points over the full period. Math fell 2.4 points from last year and fell 3.1 points over the full period.
•Math -3.1 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Hispanic or Latino and Black or African American students have the strongest results.
Distribution of Scores by Grade
8.9% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank No. 1,458 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
3.8% of English learners meet the reading standard, compared with 0.0% of English-only students. The gap narrowed as English-learner results rose and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Hispanic or Latino students have the strongest math results at about 5% proficiency. The other reported groups range from about 0% to 0%.
Distribution of Scores by Grade
3.3% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank No. 1,357 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
3.9% of English learners meet the math standard, compared with 0.0% of English-only students. The gap narrowed as English-learner results rose and English-only results fell.
•How we compare income gaps
“Typical” means the median gap across 876 schools for reading and 882 for math. The comparison uses 2026 California 9–12 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 Castlemont High compare within the district?
Castlemont High is No. 12 in reading and No. 14 in math proficiency among the 15 9–12 schools in Oakland Unified with 2026 results.
Explore the district’s schoolsHow does Castlemont High rank in California?
Castlemont High ranks No. 1,458 of 1,596 in reading and No. 1,357 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Castlemont High compare within the district?
Low-income students here rank No. 10 in reading and No. 12 in math among 13 9–12 district schools with reportable 2026 results for this group. 9.0% meet the reading standard and 3.3% meet the math standard.
See results by student groupHow does Castlemont High compare with other schools in Oakland?
Castlemont High is No. 15 in reading and No. 17 in math proficiency among the 18 9–12 schools in Oakland with 2026 results.
Explore schools in OaklandHow does Castlemont High compare with other schools in Alameda County?
Castlemont High is No. 42 in reading and No. 44 in math proficiency among the 45 9–12 schools in Alameda County with 2026 results.
Explore schools in Alameda CountyWhich schools should I compare?
Schools serving 9–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Castlemont HighThis school | 3.3% | 8.9% |
| AIMS College Prep High | 52.5% | 48.0% |
| ARISE High | 15.6% | 40.0% |
