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Email BoardSerrano High
9292 Sheep Creek Road, Phelan, CA 92329-6000
Summary
Serrano High is underperforming.
Reading and math results average to the 46th percentile among comparable California schools.
Only 49.5% of students met California's reading standard, but it is trending up slightly.
Math is weaker: 18.6% of students met California's math standard, and it is trending down slightly.
Proficiency stats
| Current Reading Proficiency | 49.5% |
| Current Math Proficiency | 18.6% |
| Reading State Rank | 842/1,596 (47th percentile) |
| Math State Rank | 880/1,596 (45th percentile) |
School information
| Student / Teacher Ratio | 22:1 |
| Student enrollment (2024–25) | 2,163 |
| Low-Income Students | 1,466 (67.8%) |
| English Learners | 205 (9.5%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 7.1 points from last year and rose 2.4 points over the full period. Math rose 0.7 points from last year and fell 0.8 points over the full period.
•Math -0.8 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Two or more races and White students have the strongest results.
Distribution of Scores by Grade
49.6% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank No. 842 of 1,596 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 19.8-point reading income gap is wider than the 14.7-point gap at a typical California 9–12 school. It widened over the period shown.
•English Learners vs English Native
10.0% of English learners meet the reading standard, compared with 50.2% 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
White students have the strongest math results at about 27% proficiency. The other reported groups range from about 15% to 17%.
Distribution of Scores by Grade
18.6% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank No. 880 of 1,596 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 19.3-point math income gap is wider than the 14.2-point gap at a typical California 9–12 school. It widened over the period shown.
•English Learners vs English Native
3.3% of English learners meet the math standard, compared with 20.4% 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 Serrano High rank in California?
Serrano High ranks No. 842 of 1,596 in reading and No. 880 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Serrano High compare with other schools in San Bernardino County?
Serrano High is No. 35 in reading and No. 37 in math proficiency among the 56 9–12 schools in San Bernardino County with 2026 results.
Explore schools in San Bernardino County