Is this your school? Email the board to prioritize reading!
Email BoardMarcum-Illinois Union Elementary
2452 El Centro Boulevard, East Nicolaus, CA 95659-9748
Summary
Marcum-Illinois Union Elementary is underperforming.
Reading and math results average to the 81st percentile among comparable California schools.
55.6% of students met California's reading standard, but it is slowly trending down.
55.6% of students met California's math standard and is trending up.
Proficiency stats
| Current Reading Proficiency | 55.6% |
| Current Math Proficiency | 55.6% |
| Reading State Rank | 441/1,734 (75th percentile) |
| Math State Rank | 210/1,735 (88th percentile) |
School information
| Student / Teacher Ratio | 18:1 |
| Student enrollment (2024–25) | 179 |
| Low-Income Students | 53 (29.6%) |
| English Learners | 10 (5.6%) |
| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 8.9 points from last year and fell 4.0 points over the full period. Math fell 6.2 points from last year and rose 6.1 points over the full period.
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 42.8% to 77.8% across the grades shown. Overall, the school’s reading results rank in the top 26% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 35.5-point reading income gap is wider than the 16.5-point gap at a typical California K–8 school. It widened over the period shown.
English Learners vs English Native
Results for both language groups are unavailable, so a current reading gap cannot be calculated.
Math Proficiency Scores
2026 state test results
Race and Ethnicity
White students have the strongest math results at about 70% proficiency. The other reported groups range from about 23% to 23%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 38.1% to 75.0% across the grades shown. Overall, the school’s math results rank in the top 13% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 39.3-point math income gap is wider than the 15.5-point gap at a typical California K–8 school. It widened over the period shown.
English Learners vs English Native
Results for both language groups are unavailable, so a current math gap cannot be calculated.
Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 802 schools for reading and 801 for math. The comparison uses 2026 California K–8 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 Marcum-Illinois Union Elementary rank in California?
Marcum-Illinois Union Elementary ranks No. 441 of 1,734 in reading and No. 210 of 1,735 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Marcum-Illinois Union Elementary compare with other schools in Sutter County?
Marcum-Illinois Union Elementary is No. 5 in reading and No. 3 in math proficiency among the 15 K–8 schools in Sutter County with 2026 results.
Explore schools in Sutter County
CAASPP