Below Average
#8068 of 9,539 schools in CA
Cinnabar Charter
Elementary School · Cinnabar Elementary · Petaluma, CA
A charter elementary school in Petaluma, CA where students score 7 points below what's typical for similar communities.
286 Skillman Ln., Petaluma, CA 94952
- Math 15% vs CA 37% (2024)
- Reading 24% vs CA 46% (2024)
- 17.8:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Cinnabar Charter score 20% proficient, which is below what's typical for similar communities (expected: 27%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
↓ DecliningProficiency has fallen 18 points since 2018, to 19% in 2024, across a 16-year record (2009–2024).
Show all 12 years
Multi-year averages used by the rating model: math 30% (multi-year average, 2009-2024) · reading/ELA 39% (multi-year average, 2009-2024)
Based on 36 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
84.4%
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 Cinnabar 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 24Car-Dependent
- Bike 25Somewhat 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
$115,097
Median home value
$1,016,800
Median rent
$2,272/mo
College educated
47.5%
Homeownership
59.9%
Poverty rate
6.6%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94952; this is area context, not an attendance boundary.
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Cinnabar ElementaryEnrollment path unverified | Not rated | K | 0.0 mi | 16 | Compare → |
| Mary Collins Charter School at Cherry ValleyCharter · enrollment unverified | 6.3 | K–8 | 1.2 mi | 482 | Compare → |
| Meadow ElementaryEnrollment path unverified | 7.7 | K–6 | 1.2 mi | 371 | Compare → |
| Corona Creek ElementaryEnrollment path unverified | 6.4 | K–6 | 1.4 mi | 417 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Cinnabar Elementary
- Schools in district
- 2
- Rank in district
- #1 of 1
- District spending per student
- $19,638NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 9.8%Census SAIPE · 2024
Cinnabar Charter is listed in Cinnabar Elementary; a district label does not verify attendance for an address.
About Cinnabar Charter
Cinnabar Charter is a public elementary school in Petaluma, CA, part of Cinnabar Elementary, serving approximately 160 students in grades Kindergarten-8th with a 17.8:1 student-teacher ratio. It holds a MySchoolScout rating of 4.4 out of 10 and ranks #8,068 of 9,539 schools in CA. State assessment records show 30% math proficiency (multi-year average, 2009-2024) and 39% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Cinnabar Charter
What grades does Cinnabar Charter serve?
Cinnabar Charter serves students in grades Kindergarten through 8th.
How many students attend Cinnabar Charter?
Cinnabar Charter has an enrollment of approximately 160 students.
What is the student-teacher ratio at Cinnabar Charter?
The student-teacher ratio at Cinnabar Charter is 17.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Cinnabar Charter rank in CA?
Cinnabar Charter ranks #8,068 of 9,539 schools in CA.
What is Cinnabar Charter's MySchoolScout rating?
Cinnabar Charter has a current MySchoolScout rating of 4.4 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 Cinnabar Charter?
Based on loaded state assessment records, Cinnabar Charter has 30% math proficiency (multi-year average, 2009-2024) and 39% reading/ELA proficiency (multi-year average, 2009-2024).
Is Cinnabar Charter a charter school?
Yes, Cinnabar Charter is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Cinnabar Charter a Title I school?
No, Cinnabar Charter is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Cinnabar Charter?
84.4% of students at Cinnabar 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 – 8th
- Enrollment
- 160
- Student-Teacher Ratio
- 17.8:1
- Teachers (FTE)
- 9
- Type
- regular
- Setting
- Small Suburb
- County
- Sonoma County
- Chronic Absenteeism (SY 2022-23)
- 31.2%
- Phone
- (707) 765-4345
- Area population (ZIP 94952)
- 33,339
- Area average commute
- 28.3 min
- Area median age
- 44.5
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 94952; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
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