Sonoma Mountain Elementary School
Elementary school in Petaluma, CA · Old Adobe Union · Grades K-6 · Charter
On the spring 2026 state tests, 80% of Sonoma Mountain Elementary School students met or exceeded California's reading (ELA) standard and 77% met the math standard. In reading, that is 31 points above the California average (49%). Its reading result is higher than 90% of Bay Area elementary schools, and it ranks 1st of 20 public elementary schools in Petaluma. Reading results in 2026 were 11 points higher than in 2024, and math results were 12 points higher than in 2024.
Test scores, 2024 to 2026
| Subject | Spring 2024 | Spring 2025 | Spring 2026 | Change |
|---|---|---|---|---|
| Reading (ELA) | 69% | 79% | 80% | +11 pts |
| Math | 65% | 72% | 77% | +12 pts |
Compared with nearby averages
| Spring 2026 | Reading (ELA) | Math |
|---|---|---|
| Sonoma Mountain Elementary School | 80% | 77% |
| Sonoma County | 45% | 33% |
| California | 49% | 38% |
Results by grade, spring 2026
| Grade | Reading (ELA) | Math |
|---|---|---|
| 3rd grade | 88% | 88% |
| 4th grade | 83% | 85% |
| 5th grade | 73% | 70% |
| 6th grade | 78% | 66% |
Students are tested in grades 3 to 8 and 11. Each grade is a different group of students, so differences between grades are not a trend.
Homes near Sonoma Mountain Elementary School
The typical home value in ZIP code 94954, where Sonoma Mountain Elementary School is located, is $829K, up 0.6% over the past year (Zillow Home Value Index). Prices inside the school's attendance zone can differ.
Charter schools usually admit by application or lottery, so where you live may not decide whether your child can attend.
Nearby elementary schools
| Distance | School | Reading (ELA) | Math | Typical home value (ZIP) |
|---|---|---|---|---|
| 0.9 mi | Loma Vista Immersion Academy CharterPetaluma · Grades K-6 | 39% | 41% | $829K |
| 0.9 mi | Meadow ElementaryPetaluma · Grades K-6 | 73% | 68% | $829K |
| 1.1 mi | Corona Creek ElementaryPetaluma · Grades K-6 | 67% | 58% | $829K |
| 1.4 mi | McDowell ElementaryPetaluma · Grades K-6 | 9% | 13% | $829K |
| 1.5 mi | McKinley ElementaryPetaluma · Grades K-6 | 44% | 38% | $1.06M |
| 1.7 mi | Old Adobe Elementary Charter CharterPetaluma · Grades K-6 | 51% | 44% | $829K |
School details
- Address
- 1900 Rainier Circle, Petaluma, CA 94954
Get directions · See it on our map - Phone
- (707) 765-4305
- District
- Old Adobe Union
- County
- Sonoma County
- Grades
- K-6
- Students
- 451 (2025-26)
- Type
- Elementary school · Traditional · Charter
- Opened
- 1997
- State school code
- 49708476114755
Common questions
How did Sonoma Mountain Elementary School do on state tests?
In spring 2026, 80% of students met or exceeded the reading (ELA) standard and 77% met the math standard, compared with 49% and 38% across California.
How many students attend Sonoma Mountain Elementary School?
451 students were enrolled in the 2025-26 school year, in grades K-6.
How much do homes cost near Sonoma Mountain Elementary School?
The typical home value in ZIP code 94954, where Sonoma Mountain Elementary School is located, is $829K, up 0.6% over the past year (Zillow Home Value Index). Prices inside the school's attendance zone can differ.
Does living near Sonoma Mountain Elementary School guarantee a spot?
No. As a charter school it usually admits by application or lottery rather than by address.