Yuba River Charter
10085 Adam Avenue, Grass Valley, CA 95945-6051
Summary
Reading and math results average to the 72nd percentile among comparable California schools.
62.1% of students met California's reading standard, and it is trending up slightly.
Math is weaker: 35.7% of students met California's math standard, and it is quickly trending down.
Proficiency stats
| Current Reading Proficiency | 62.1% |
| Current Math Proficiency | 35.7% |
| Reading State Rank | 289/1,734 (83rd percentile) |
| Math State Rank | 677/1,735 (61st percentile) |
School information
| Student / Teacher Ratio | 21:1 |
| Student enrollment (2024–25) | 323 |
| Low-Income Students | 175 (54.2%) |
| English Learners | 4 (1.2%) |
Quick links
School Website
Great Schools
Niche
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | Yes |
| Magnet school | No |
Test score trends
Reading rose 3.8 points from last year and rose 0.7 points over the full period. Math fell 4.4 points from last year and fell 12.9 points over the full period.
•Math -12.9 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. White and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 54.5% to 79.3% across the grades shown. Overall, the school’s reading results rank in the top 17% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 16.8-point reading income gap is about the same as 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
Hispanic or Latino students have the strongest math results at about 41% proficiency. The other reported groups range from about 35% to 36%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 15.6% to 53.9% across the grades shown. Overall, the school’s math results rank in the top 40% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 14.1-point math income gap is narrower than the 15.5-point gap at a typical California K–8 school. It narrowed 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 Yuba River Charter compare within the district?
Yuba River Charter is No. 2 in both reading and math proficiency among the 3 K–8 schools in Nevada County Office of Education with 2026 results.
Explore the district’s schoolsHow does Yuba River Charter rank in California?
Yuba River Charter ranks No. 289 of 1,734 in reading and No. 677 of 1,735 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Yuba River Charter compare within the district?
Low-income students here rank No. 2 in both subjects among 3 K–8 district schools with reportable 2026 results for this group. 53.4% meet the reading standard and 28.4% meet the math standard.
See results by student groupHow does Yuba River Charter compare with other schools in Grass Valley?
Yuba River Charter is No. 2 in reading and No. 5 in math proficiency among the 6 K–8 schools in Grass Valley with 2026 results.
Explore schools in Grass ValleyWhich schools should I compare?
Schools serving K–8 in the same district.
| School | Math | Reading |
|---|---|---|
| Yuba River CharterThis school | 35.7% | 62.1% |
| Nevada City School of the Arts | 39.7% | 63.9% |
| Twin Ridges Home Study Charter | 16.3% | 35.8% |
