Very Good
#2157 of 9,539 schools in CA
Top 23% in state
Sonoma Mountain Elementary
Elementary School · Old Adobe Union
1900 Rainier Cir., Petaluma, CA 94954
Enrollment
451
Student-Teacher
26.5:1
Score
7.7
Grades
Kindergarten – 6th
Enrollment
451
Student-Teacher
26.5:1
Score
7.7
Grades
Kindergarten – 6th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#2,157 of 9,539
In Petaluma
#5 of 30
public schools
In district
#1 of 5
Old Adobe Union
Equity
8.6 / 10
Excellent
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Sonoma Mountain Elementary
Elementary School in Petaluma · grades Kindergarten – 6th. Start here, then compare fit against nearby and district options.
Loma Vista Immersion Academy
0.8 mi away. Use as a geographic alternative in the same move search.
Kenilworth Junior High
0.7 mi away. Use as a geographic alternative in the same move search.
About Sonoma Mountain Elementary
Sonoma Mountain Elementary is a public elementary school in Petaluma, CA, part of Old Adobe Union. Sonoma Mountain Elementary serves approximately 451 students, and covers grades Kindergarten-6th, and has a 26.5:1 student-teacher ratio. Sonoma Mountain Elementary has a current MySchoolScout rating of 7.7 out of 10 and ranks #2,157 of 9,539 schools in CA.
Structured state assessment records for Sonoma Mountain Elementary show 64% math proficiency (multi-year average, 2009-2024) and 67% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 7.7 · Very Good
- District avg 6.4
- CA avg 6.2
What Parents Should Know
Sonoma Mountain Elementary runs 26.5:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Sonoma Mountain Elementary is a charter school: publicly funded, but run with more independence than a traditional district school. Many charters are built around a specific model or focus, so it's worth understanding this one's mission, how enrollment works, and how it differs from the district schools nearby.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Sonoma Mountain Elementary — Students at Sonoma Mountain Elementary score 67% proficient, which is below what's typical for similar communities (expected: 67%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
12.6%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 32 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.4/10.
How Sonoma Mountain Elementary Compares
See how Sonoma Mountain Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
1900 Rainier Cir., Petaluma, CA 94954
Nearby Alternatives
Families considering Sonoma Mountain Elementary may also want to explore other elementary schools in the area. Meadow Elementary (rated 7.7/10, 0.8 miles away), with a very similar rating. Another option is Loma Vista Immersion Academy (rated 7.5/10, 0.8 miles away), with a very similar rating. Additionally, McKinley Elementary (rated 7.5/10, 1.6 miles away), with a very similar rating. For more schools in Petaluma, see our Petaluma schools guide .
Nearby Schools
20 within 2.4 mi| School | Distance | Rating |
|---|---|---|
| Loma Vista Immersion Academy Petaluma | 0.8 mi | 7.5 |
| Kenilworth Junior High Petaluma | 0.7 mi | 7.3 |
| Meadow Elementary Petaluma | 0.8 mi | 7.7 |
| Corona Creek Elementary Petaluma | 1.2 mi | 6.4 |
| McDowell Elementary Petaluma | 1.5 mi | 5.3 |
| McKinley Elementary Petaluma | 1.6 mi | 7.5 |
| Petaluma Accelerated Charter Petaluma | 1.6 mi | 8.1 |
| Live Oak Charter Petaluma | 1.8 mi | 6.4 |
| San Antonio High (Continuation) Petaluma | 2.1 mi | 4.4 |
| Valley Oaks High (Alternative) Petaluma | 2.1 mi | 7.1 |
| La Tercera Elementary Petaluma | 1.9 mi | 6.4 |
| Saint Vincent de Paul College Preparatory Petaluma | 2.0 mi | — |
| ST VINCENT DE PAUL HIGH SCHOOL Petaluma | 2.0 mi | 7.6 |
| Old Adobe Elementary Charter Petaluma | 1.8 mi | 6.3 |
| Mary Collins Charter School at Cherry Valley Petaluma | 2.2 mi | 6.3 |
| Miwok Valley Elementary Charter Petaluma | 2.4 mi | 4.3 |
| Cinnabar Charter Petaluma | 2.0 mi | 4.4 |
| Cinnabar Elementary Petaluma | 2.0 mi | — |
| ST VINCENT DE PAUL ELEMENTARY SCHOOL Petaluma | 2.4 mi | 4.9 |
| Casa Grande High Petaluma | 2.4 mi | 6.5 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94954 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$107,564
Median Home Value
$790,100
Median Rent
$2,405/mo
Population
38,000
College Educated
36.9%
Homeownership
66.7%
Avg Commute
31 min
Poverty Rate
5.9%
Median Age
44.8
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Alamo Elementary Alamo, CA | 7.7 |
| Aspire Firestone Academy Charter Oakland, CA | 7.7 |
| Atwater Avenue Elementary Los Angeles, CA | 7.7 |
| Benchley/Weinberger Elementary San Diego, CA | 7.7 |
| Bowman Charter Auburn, CA | 7.7 |
| Burbank Boulevard Elementary North Hollywood, CA | 7.7 |
Frequently Asked Questions
Common questions about Sonoma Mountain Elementary
What grades does Sonoma Mountain Elementary serve?
Sonoma Mountain Elementary serves students in grades Kindergarten through 6th.
How many students attend Sonoma Mountain Elementary?
Sonoma Mountain Elementary has an enrollment of approximately 451 students.
What is the student-teacher ratio at Sonoma Mountain Elementary?
The student-teacher ratio at Sonoma Mountain Elementary is 26.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Sonoma Mountain Elementary rank in CA?
Sonoma Mountain Elementary ranks #2,157 of 9,539 schools in CA.
What is Sonoma Mountain Elementary's MySchoolScout rating?
Sonoma Mountain Elementary has a current MySchoolScout rating of 7.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Sonoma Mountain Elementary?
Based on loaded state assessment records, Sonoma Mountain Elementary has 64% math proficiency (multi-year average, 2009-2024) and 67% reading/ELA proficiency (multi-year average, 2009-2024).
Is Sonoma Mountain Elementary a charter school?
Yes, Sonoma Mountain Elementary is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Sonoma Mountain Elementary a Title I school?
No, Sonoma Mountain Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Sonoma Mountain Elementary?
12.6% of students at Sonoma Mountain Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
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Neighborhood Context
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Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 6th
- Enrollment
- 451
- Student-Teacher Ratio
- 26.5:1
- Teachers (FTE)
- 17
- Free/Reduced Lunch
- 12.6%
- Type
- regular
- Setting
- Small City
- County
- Sonoma County
- Chronic Absenteeism (SY 2022-23)
- 8.9%
- Phone
- (707) 765-4305
Resources & Links
District
Old Adobe Union- District Enrollment
- 1,830
- Schools in District
- 5
- Per-Pupil Spending
- $16,683
- District Rank
- #1 of 5
Other Schools in This District
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