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Email BoardWilliam & Marian Ghidotti High
250 Sierra College Drive, Grass Valley, CA 95945-5726
Summary
William & Marian Ghidotti High is an excellent school.
Reading and math results average to the 100th percentile among comparable California schools.
96.5% of students met California's reading standard, but it is trending down.
93.1% of students met California's math standard, which is excellent statewide and is quickly trending up.
Proficiency stats
| Current Reading Proficiency | 96.5% |
| Current Math Proficiency | 93.1% |
| Reading State Rank | 4/1,596 (100th percentile) |
| Math State Rank | 1/1,596 (100th percentile) |
School information
| Student / Teacher Ratio | 31:1 |
| Student enrollment (2024–25) | 155 |
| Low-Income Students | 33 (21.3%) |
| English Learners | 1 (0.6%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Selective |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 3.5 points from last year and fell 3.5 points over the full period. Math rose 4.2 points from last year and rose 10.8 points over the full period.
•Math +10.8 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
96.5% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 1% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Results for both income groups are unavailable, so a current reading gap cannot be calculated.
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
93.1% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 1% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Results for both income groups are unavailable, so a current math gap cannot be calculated.
English Learners vs English Native
Results for both language groups are unavailable, so a current math gap cannot be calculated.
How we compare income gaps
“Typical” means the median gap across 876 schools for reading and 882 for math. The comparison uses 2026 California 9–12 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 William & Marian Ghidotti High compare within the district?
William & Marian Ghidotti High is No. 1 in both reading and math proficiency among the 5 9–12 schools in Nevada Joint Union High with 2026 results.
Explore the district’s schoolsHow does William & Marian Ghidotti High rank in California?
William & Marian Ghidotti High ranks No. 4 of 1,596 in reading and No. 1 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does William & Marian Ghidotti High compare with other schools in Grass Valley?
William & Marian Ghidotti High is No. 1 in both reading and math proficiency among the 5 9–12 schools in Grass Valley with 2026 results.
Explore schools in Grass ValleyHow does William & Marian Ghidotti High compare with other schools in Nevada County?
William & Marian Ghidotti High is No. 1 in both reading and math proficiency among the 5 9–12 schools in Nevada County with 2026 results.
Explore schools in Nevada CountyWhich schools should I compare?
Schools serving 9–12 in the same district.
| School | Math | Reading |
|---|---|---|
| William & Marian Ghidotti HighThis school | 93.1% | 96.5% |
| Bear River High | 39.7% | 67.8% |
| Nevada Union High | 31.4% | 56.9% |
