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Email BoardNancy R. Kordyak Elementary
4580 Mango Avenue, Fontana, CA 92336-4700
Summary
Nancy R. Kordyak Elementary is underperforming.
Reading and math results average to the 44th percentile among comparable California schools.
Only 42.4% of students met California's reading standard, and it is trending down.
Math is weaker: 32.8% of students met California's math standard, and it is slowly trending down.
Proficiency stats
| Current Reading Proficiency | 42.4% |
| Current Math Proficiency | 32.8% |
| Reading State Rank | 2,462/4,657 (47th percentile) |
| Math State Rank | 2,765/4,657 (41st percentile) |
School information
| Student / Teacher Ratio | 19:1 |
| Student enrollment (2024–25) | 718 |
| Low-Income Students | 447 (62.3%) |
| English Learners | 62 (8.6%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 0.4 points from last year and fell 5.9 points over the full period. Math fell 2.3 points from last year and fell 3.9 points over the full period.
•Math -3.9 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
White and Hispanic or Latino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 35.6% to 47.4% across the grades shown. Overall, the school’s reading results rank No. 2,462 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 21.6-point reading income gap is slightly wider than the 19.8-point gap at a typical California K–5 school. It narrowed over the period shown.
•English Learners vs English Native
13.0% of English learners meet the reading standard, compared with 43.5% 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
White students have the strongest math results at about 43% proficiency. The other reported groups range from about 21% to 32%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 28.4% to 41.5% across the grades shown. Overall, the school’s math results rank No. 2,765 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 26.3-point math income gap is wider than the 20.0-point gap at a typical California K–5 school. It narrowed over the period shown.
•English Learners vs English Native
17.4% of English learners meet the math standard, compared with 33.7% of English-only students. The gap narrowed as English-learner results rose and English-only results fell.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,832 schools for reading and 1,839 for math. The comparison uses 2026 California K–5 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 Nancy R. Kordyak Elementary compare within the district?
Nancy R. Kordyak Elementary is No. 6 in reading and No. 5 in math proficiency among the 19 K–5 schools in Rialto Unified with 2026 results.
Explore the district’s schoolsHow does Nancy R. Kordyak Elementary rank in California?
Nancy R. Kordyak Elementary ranks No. 2,462 of 4,657 in reading and No. 2,765 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 Nancy R. Kordyak Elementary compare within the district?
Low-income students here rank No. 7 in reading and No. 9 in math among 19 K–5 district schools with reportable 2026 results for this group. 34.6% meet the reading standard and 23.2% meet the math standard.
See results by student groupHow does Nancy R. Kordyak Elementary compare with other schools in Fontana?
Nancy R. Kordyak Elementary is No. 12 in reading and No. 14 in math proficiency among the 26 K–5 schools in Fontana with 2026 results.
Explore schools in FontanaHow does Nancy R. Kordyak Elementary compare with other schools in San Bernardino County?
Nancy R. Kordyak Elementary is No. 50 in both reading and math proficiency among the 112 K–5 schools in San Bernardino County with 2026 results.
Explore schools in San Bernardino CountyWhich schools should I compare?
Schools serving K–5 in the same district.
| School | Math | Reading |
|---|---|---|
| Nancy R. Kordyak ElementaryThis school | 32.8% | 42.4% |
| A. H. Morgan Elementary | 27.5% | 38.0% |
| Charlotte N. Werner Elementary | 16.0% | 25.0% |
