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Email BoardCentennial High
1820 Rimpau Avenue, Corona, CA 92881-3228
Summary
Reading and math results average to the 76th percentile among comparable California schools.
67.1% of students met California's reading standard, and it is trending up.
Math is weaker: 37.8% of students met California's math standard, but it is trending up.
Proficiency stats
| Current Reading Proficiency | 67.1% |
| Current Math Proficiency | 37.8% |
| Reading State Rank | 392/1,596 (75th percentile) |
| Math State Rank | 379/1,596 (76th percentile) |
School information
| Student / Teacher Ratio | 24:1 |
| Student enrollment (2024–25) | 2,712 |
| Low-Income Students | 2,212 (81.6%) |
| English Learners | 283 (10.4%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 3.6 points from last year and rose 5.5 points over the full period. Math rose 4.8 points from last year and rose 6.6 points over the full period.
•Math +6.6 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 Two or more races students have the strongest results.
Distribution of Scores by Grade
67.1% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 25% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 13.8-point reading income gap is narrower than the 14.7-point gap at a typical California 9–12 school. It narrowed over the period shown.
•
English Learners vs English Native
11.8% of English learners meet the reading standard, compared with 68.5% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 82% proficiency. The other reported groups range from about 20% to 45%.
Distribution of Scores by Grade
37.8% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 24% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 26.0-point math income gap is nearly twice as wide as the 14.2-point gap at a typical California 9–12 school. It widened slightly over the period shown.
•English Learners vs English Native
5.9% of English learners meet the math standard, compared with 40.4% of English-only students. The gap narrowed as English-learner results rose 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 Centennial High compare within the district?
Centennial High is No. 4 in both reading and math proficiency among the 6 9–12 schools in Corona-Norco Unified with 2026 results.
Explore the district’s schoolsHow does Centennial High rank in California?
Centennial High ranks No. 392 of 1,596 in reading and No. 379 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 Centennial High compare within the district?
Low-income students here rank No. 4 in both subjects among 6 9–12 district schools with reportable 2026 results for this group. 64.0% meet the reading standard and 31.9% meet the math standard.
See results by student groupHow does Centennial High compare with other schools in Corona?
Centennial High is No. 2 in both reading and math proficiency among the 3 9–12 schools in Corona with 2026 results.
Explore schools in CoronaHow does Centennial High compare with other schools in Riverside County?
Centennial High is No. 14 in reading and No. 11 in math proficiency among the 57 9–12 schools in Riverside County with 2026 results.
Explore schools in Riverside CountyWhich schools should I compare?
Schools serving 9–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Centennial HighThis school | 37.8% | 67.1% |
| Corona High | 23.4% | 50.6% |
| Santiago High | 38.7% | 71.1% |
