Twin Ridges Home Study Charter
111 New Mohawk Road, Nevada City, CA 95959-3226
Summary
Twin Ridges Home Study Charter is badly underperforming.
Reading and math results average to the 26th percentile among comparable California schools.
Only 35.8% of students met California's reading standard, and it is trending down slightly.
Math is weaker: 16.3% of students met California's math standard, and it is quickly trending down.
Proficiency stats
| Current Reading Proficiency | 35.8% |
| Current Math Proficiency | 16.3% |
| Reading State Rank | 1,182/1,734 (32nd percentile) |
| Math State Rank | 1,371/1,735 (21st percentile) |
School information
| Student / Teacher Ratio | 19:1 |
| Student enrollment (2024–25) | 208 |
| Low-Income Students | 100 (48.1%) |
| English Learners | 1 (0.5%) |
Quick links
School Website
Great Schools
Niche
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | Yes |
| Magnet school | No |
Test score trends
Reading fell 2.2 points from last year and fell 2.0 points over the full period. Math fell 6.2 points from last year and fell 11.5 points over the full period.
•Math -11.5 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable reading result.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 22.2% to 52.6% across the grades shown. Overall, the school’s reading results rank No. 1,182 of 1,734 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 13.9-point reading income gap is narrower 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
Only one group has a reportable math result.
Distribution of Scores by Grade
The share meeting the math standard ranges from 9.1% to 27.8% across the grades shown. Overall, the school’s math results rank No. 1,371 of 1,735 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 8.4-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 Twin Ridges Home Study Charter compare within the district?
Twin Ridges Home Study Charter is No. 3 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 Twin Ridges Home Study Charter rank in California?
Twin Ridges Home Study Charter ranks No. 1,182 of 1,734 in reading and No. 1,371 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 Twin Ridges Home Study Charter compare within the district?
Low-income students here rank No. 3 in both subjects among 3 K–8 district schools with reportable 2026 results for this group. 29.2% meet the reading standard and 12.3% meet the math standard.
See results by student groupHow does Twin Ridges Home Study Charter compare with other schools in Nevada City?
Twin Ridges Home Study Charter is No. 2 in both reading and math proficiency among the 3 K–8 schools in Nevada City with 2026 results.
Explore schools in Nevada CityWhich schools should I compare?
Schools serving K–8 in the same district.
| School | Math | Reading |
|---|---|---|
| Twin Ridges Home Study CharterThis school | 16.3% | 35.8% |
| Nevada City School of the Arts | 39.7% | 63.9% |
| Yuba River Charter | 35.7% | 62.1% |
