Excellent
#1350 of 9,539 schools in CA
Top 14% in state
River Montessori Elementary Charter
Elementary School · River Montessori Elementary Charter District · Petaluma, CA
A charter elementary school in Petaluma, CA where students score 3 points below what's typical for similar communities.
3880 Cypress Dr. Ste. B, Petaluma, CA 94954
- Math 43% vs CA 39% (2024)
- Reading 68% vs CA 45% (2024)
- 22.2:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at River Montessori Elementary Charter score 57% proficient, which is below what's typical for similar communities (expected: 60%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
↑ ImprovingProficiency has improved 23 points since 2018, reaching 55% in 2024, across a 7-year record (2018–2024).
Show all 4 years by subject
Multi-year averages used by the rating model: math 39% (multi-year average, 2018-2024) · reading/ELA 60% (multi-year average, 2018-2024)
Based on 14 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
25.6%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where River Montessori Elementary Charter sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 35Car-Dependent
- Transit 21Minimal Transit
- Bike 45Somewhat Bikeable
- City Safety: Elevated1,469/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Petaluma), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$107,564
Median home value
$790,100
Median rent
$2,405/mo
College educated
36.9%
Homeownership
66.7%
Poverty rate
5.9%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94954; this is area context, not an attendance boundary.
Compare nearby
Nearby same-level schools
3 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Cypress SchoolPrivate · tuition | 6.3private | 1–12 | 0.1 mi | 50 | Compare → |
| Harvest Christian SchoolPrivate · tuition | 5.6private | K–8 | 0.5 mi | 139 | Compare → |
| Miwok Valley Elementary CharterCharter · enrollment unverified | 4.3 | K–6 | 1.5 mi | 299 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
River Montessori Elementary Charter District
- Schools in district
- 1
- Rank in district
- #1 of 1
- District spending per student
- $16,467NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- The source release did not match this district identifier.
River Montessori Elementary Charter is listed in River Montessori Elementary Charter District; a district label does not verify attendance for an address.
About River Montessori Elementary Charter
River Montessori Elementary Charter is a public elementary school in Petaluma, CA, part of River Montessori Elementary Charter District, serving approximately 133 students in grades Kindergarten-6th with a 22.2:1 student-teacher ratio. It holds a MySchoolScout rating of 8.1 out of 10 and ranks #1,350 of 9,539 schools in CA. State assessment records show 39% math proficiency (multi-year average, 2018-2024) and 60% reading/ELA proficiency (multi-year average, 2018-2024).
What's said publicly about River Montessori Elementary Charter
Synthesized from public, attributable sources. Updated May 2026.Reviewed for accuracy.
Sources (1)
Frequently asked questions
Common questions about River Montessori Elementary Charter
What grades does River Montessori Elementary Charter serve?
River Montessori Elementary Charter serves students in grades Kindergarten through 6th.
How many students attend River Montessori Elementary Charter?
River Montessori Elementary Charter has an enrollment of approximately 133 students.
What is the student-teacher ratio at River Montessori Elementary Charter?
The student-teacher ratio at River Montessori Elementary Charter is 22.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does River Montessori Elementary Charter rank in CA?
River Montessori Elementary Charter ranks #1,350 of 9,539 schools in CA.
What is River Montessori Elementary Charter's MySchoolScout rating?
River Montessori Elementary Charter has a current MySchoolScout rating of 8.1 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 River Montessori Elementary Charter?
Based on loaded state assessment records, River Montessori Elementary Charter has 39% math proficiency (multi-year average, 2018-2024) and 60% reading/ELA proficiency (multi-year average, 2018-2024).
Is River Montessori Elementary Charter a charter school?
Yes, River Montessori Elementary Charter is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is River Montessori Elementary Charter a Title I school?
No, River Montessori Elementary Charter is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for River Montessori Elementary Charter?
25.6% of students at River Montessori Elementary Charter qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- Kindergarten – 6th
- Enrollment
- 133
- Student-Teacher Ratio
- 22.2:1
- Teachers (FTE)
- 6
- Type
- regular
- Setting
- Small City
- County
- Sonoma County
- Chronic Absenteeism (SY 2022-23)
- 41.4%
- Phone
- (707) 778-6414
- Area population (ZIP 94954)
- 38,000
- Area average commute
- 31 min
- Area median age
- 44.8
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 94954; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2018-2024; directory SY 2023–24
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