Scores updated for 2026!

Petaluma Joint Union High

Mary Collins Charter School at Cherry Valley

1001 Cherry Street, Petaluma, CA 94952-2065

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Summary

Reading and math results average to the 86th percentile among comparable California schools.

66.7% of students met California's reading standard, and it is trending up.Trending up

52.3% of students met California's math standard, but it is trending up slightly.Trending up

Proficiency stats

Current Reading Proficiency66.7%
Current Math Proficiency52.3%
Reading State Rank206/1,734 (88th percentile)
Math State Rank268/1,735 (85th percentile)

School information

Student / Teacher Ratio25:1
Student enrollment (2024–25)494
Low-Income Students131 (26.5%)
English Learners2 (0.4%)
Admissions
AdmissionsOpen enrollment
Charter schoolYes
Magnet schoolNo

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 55.3% to 72.7% across the grades shown. Overall, the school’s reading results rank in the top 12% among California schools in the same grade-level category.

Low-Income vs Non-Low-Income

The 15.8-point reading income gap is narrower than the 16.5-point gap at a typical California K–8 school. It narrowed over the period shown.

Low-Income
Non-Low-Income
Low-Income +7.3 percentage pointsTrend up•
Non-Low-Income +4.5 percentage pointsTrend up

English Learners vs English Native

Results for both language groups are unavailable, so a current reading gap cannot be calculated.

English Learners
English Native
English Learners N/A•
English Native +4.5 percentage pointsTrend up

Math Proficiency Scores

2026 state test results

Race and Ethnicity

Two or more races students have the strongest math results at about 61% proficiency. The other reported groups range from about 41% to 53%.

Distribution of Scores by Grade

The share meeting the math standard ranges from 41.5% to 68.4% across the grades shown. Overall, the school’s math results rank in the top 16% among California schools in the same grade-level category.

Low-Income vs Non-Low-Income

The 21.1-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.

Low-Income
Non-Low-Income
Low-Income -1.2 percentage pointsTrend down•
Non-Low-Income +1.9 percentage pointsTrend up

English Learners vs English Native

Results for both language groups are unavailable, so a current math gap cannot be calculated.

English Learners
English Native
English Learners N/A•
English Native +1.7 percentage pointsTrend up

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 Mary Collins Charter School at Cherry Valley rank in California?

Mary Collins Charter School at Cherry Valley ranks No. 206 of 1,734 in reading and No. 268 of 1,735 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.

How does Mary Collins Charter School at Cherry Valley compare with other schools in Sonoma County?

Mary Collins Charter School at Cherry Valley is No. 1 in reading and No. 3 in math proficiency among the 18 K–8 schools in Sonoma County with 2026 results.

Explore schools in Sonoma County