Dunham Charter
4111 Roblar Road, Petaluma, CA 94952-9202
Summary
Dunham Charter is underperforming.
Reading and math results average to the 69th percentile among comparable California schools.
57.4% of students met California's reading standard, and it is holding steady.
50.0% of students met California's math standard, and it is trending down.
Proficiency stats
| Current Reading Proficiency | 57.4% |
| Current Math Proficiency | 50.0% |
| Reading State Rank | 1,348/4,657 (71st percentile) |
| Math State Rank | 1,554/4,657 (67th percentile) |
School information
| Student / Teacher Ratio | 20:1 |
| Student enrollment (2024–25) | 166 |
| Low-Income Students | 47 (28.3%) |
| English Learners | 8 (4.8%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | Yes |
| Magnet school | No |
Test score trends
Reading fell 9.7 points from last year and rose 0.2 points over the full period. Math fell 12.0 points from last year and fell 5.7 points over the full period.
•Math -5.7 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 46.2% to 66.7% across the grades shown. Overall, the school’s reading results rank in the top 29% 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 17.6-point gap at a typical California K–6 school. It narrowed as non-low-income results fell, while low-income results were unchanged.
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 38.5% to 57.1% across the grades shown. Overall, the school’s math results rank in the top 34% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Low-income students are 14.3 points ahead in math. 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 1,479 schools for reading and 1,483 for math. The comparison uses 2026 California K–6 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 Dunham Charter rank in California?
Dunham Charter ranks No. 1,348 of 4,657 in reading and No. 1,554 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Dunham Charter compare with other schools in Petaluma?
Dunham Charter is No. 8 in reading and No. 7 in math proficiency among the 15 K–6 schools in Petaluma with 2026 results.
Explore schools in PetalumaHow does Dunham Charter compare with other schools in Sonoma County?
Dunham Charter is No. 15 in reading and No. 13 in math proficiency among the 50 K–6 schools in Sonoma County with 2026 results.
Explore schools in Sonoma CountyWhich schools should I compare?
Schools serving K–6 in the same district or city.
| School | Math | Reading |
|---|---|---|
| Dunham CharterThis school | 50.0% | 57.4% |
| Corona Creek Elementary | 58.4% | 67.4% |
| Grant Elementary | 70.3% | 72.4% |
