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Email BoardGarretson Elementary
1650 Garretson Avenue, Corona, CA 92879-2428
Summary
Garretson Elementary is underperforming.
Reading and math results average to the 57th percentile among comparable California schools.
Only 48.7% of students met California's reading standard, but it is trending up slightly.
Math is weaker: 42.2% of students met California's math standard, but it is trending up.
Proficiency stats
| Current Reading Proficiency | 48.7% |
| Current Math Proficiency | 42.2% |
| Reading State Rank | 1,947/4,657 (58th percentile) |
| Math State Rank | 2,040/4,657 (56th percentile) |
School information
| Student / Teacher Ratio | 24:1 |
| Student enrollment (2024–25) | 859 |
| Low-Income Students | 657 (76.5%) |
| English Learners | 224 (26.1%) |
| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 2.7 points from last year and rose 0.6 points over the full period. Math rose 6.0 points from last year and rose 5.3 points over the full period.
Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Asian and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 37.0% to 59.2% across the grades shown. Overall, the school’s reading results rank in the top 42% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 37.9-point reading income gap is wider than the 17.6-point gap at a typical California K–6 school. It narrowed slightly over the period shown.
English Learners vs English Native
8.0% of English learners meet the reading standard, compared with 57.5% of English-only students. The gap widened as English-learner results fell and English-only results rose.
Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 94% proficiency. The other reported groups range from about 32% to 77%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 33.0% to 45.0% across the grades shown. Overall, the school’s math results rank in the top 44% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 50.9-point math income gap is wider than the 17.5-point gap at a typical California K–6 school. It widened over the period shown.
English Learners vs English Native
11.0% of English learners meet the math standard, compared with 50.0% of English-only students. The gap widened as English-learner results rose and English-only results rose.
Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,479 schools for reading and 1,483 for math. The comparison uses 2026 California K–6 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 Garretson Elementary compare within the district?
Garretson Elementary is No. 20 in reading and No. 18 in math proficiency among the 31 K–6 schools in Corona-Norco Unified with 2026 results.
Explore the district’s schoolsHow does Garretson Elementary rank in California?
Garretson Elementary ranks No. 1,947 of 4,657 in reading and No. 2,040 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Garretson Elementary compare within the district?
Low-income students here rank No. 24 in reading and No. 23 in math among 31 K–6 district schools with reportable 2026 results for this group. 39.3% meet the reading standard and 29.6% meet the math standard.
See results by student groupHow does Garretson Elementary compare with other schools in Corona?
Garretson Elementary is No. 13 in reading and No. 11 in math proficiency among the 20 K–6 schools in Corona with 2026 results.
Explore schools in CoronaHow does Garretson Elementary compare with other schools in Riverside County?
Garretson Elementary is No. 31 in reading and No. 25 in math proficiency among the 107 K–6 schools in Riverside County with 2026 results.
Explore schools in Riverside CountyWhich schools should I compare?
Schools serving K–6 in the same district.
| School | Math | Reading |
|---|---|---|
| Garretson ElementaryThis school | 42.2% | 48.7% |
| Benjamin Franklin Elementary | 50.3% | 61.4% |
| Corona Ranch Elementary | 50.9% | 54.2% |
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