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Email BoardFullerton Union High
201 East Chapman Avenue, Fullerton, CA 92832-1925
Summary
Reading and math results average to the 69th percentile among comparable California schools.
60.7% of students met California's reading standard, but it is slowly trending down.
Math is weaker: 34.5% of students met California's math standard, but it is slowly trending up.
Proficiency stats
| Current Reading Proficiency | 60.7% |
| Current Math Proficiency | 34.5% |
| Reading State Rank | 553/1,596 (65th percentile) |
| Math State Rank | 446/1,596 (72nd percentile) |
School information
| Student / Teacher Ratio | 26:1 |
| Student enrollment (2024–25) | 1,880 |
| Low-Income Students | 1,185 (63.0%) |
| English Learners | 181 (9.6%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | Yes |
Test score trends
Reading fell 2.3 points from last year and fell 4.3 points over the full period. Math fell 2.7 points from last year and rose 3.8 points over the full period.
•Math +3.8 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. Asian and White students have the strongest results.
Distribution of Scores by Grade
60.7% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 35% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 23.0-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
6.7% of English learners meet the reading standard, compared with 67.2% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 77% proficiency. The other reported groups range from about 20% to 63%.
Distribution of Scores by Grade
34.5% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 28% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 34.0-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
0.0% of English learners meet the math standard, compared with 44.1% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•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 Fullerton Union High compare within the district?
Fullerton Union High is No. 4 in both reading and math proficiency among the 6 9–12 schools in Fullerton Joint Union High with 2026 results.
Explore the district’s schoolsHow does Fullerton Union High rank in California?
Fullerton Union High ranks No. 553 of 1,596 in reading and No. 446 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 Fullerton Union High compare within the district?
Low-income students here rank No. 4 in reading and No. 5 in math among 6 9–12 district schools with reportable 2026 results for this group. 53.2% meet the reading standard and 23.4% meet the math standard.
See results by student groupHow does Fullerton Union High compare with other schools in Fullerton?
Fullerton Union High is No. 3 in both reading and math proficiency among the 3 9–12 schools in Fullerton with 2026 results.
Explore schools in FullertonHow does Fullerton Union High compare with other schools in Orange County?
Fullerton Union High is No. 46 in reading and No. 39 in math proficiency among the 65 9–12 schools in Orange County with 2026 results.
Explore schools in Orange CountyWhich schools should I compare?
Schools serving 9–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Fullerton Union HighThis school | 34.5% | 60.7% |
| Sunny Hills High | 61.1% | 77.7% |
| Troy High | 75.5% | 85.5% |
