River Montessori Elementary Charter District

Petaluma, California — 1 schools

137
Total Enrollment
1
Schools
$16,797
Per-Pupil Spending
Elementary
School Types

District-Level NCES Analysis

River Montessori Elementary Charter District operates 1 public schools serving 137 students, placing it among the smaller districts in California. The school portfolio breaks down into 1 elementary schools, giving families a clear picture of grade-band coverage before they move, rent, or enrol. Aggregated across those campuses, enrollment totals 144 pupils using the NCES Common Core of Data (CCD) 2024-25 release, and the district is geographically located in Sonoma County County.

Per-pupil expenditure runs $16,797 according to the NCES F-33 School District Finance Survey, which aggregates every revenue and spending line reported under federal accounting standards. The funding mix is 70.6% local, 24.3% state, and 5.1% federal — a breakdown that matters because districts leaning heavily on local revenue are more exposed to property-tax swings, while higher federal shares typically track Title I concentration.

and 38.2% chronic absenteeism from the 2021-22 Civil Rights Data Collection. Demographically, the student body averages 56.3% White, 20.1% Hispanic or Latino, 5.6% Asian across the district's schools.

River Montessori Elementary Charter accounts for 100.0% of all River Montessori Elementary Charter District student enrollment

That concentration — well above the 8.4% national median for largest-entity share — means River Montessori Elementary Charter District-wide averages can mask substantial variation outside the dominant entity. Grade band: elementary. A single dominant campus often anchors a district's program offerings and staffing patterns; the share helps explain why district-wide averages may not reflect the typical neighbourhood-school experience. When one entity dominates a region's footprint, its programmatic and budget decisions effectively set policy for a majority of the affected population.

Source: NCES Common Core of Data NCES Common Core of Data

River Montessori Elementary Charter District chronic absenteeism rate is 38.2% — high (typically associated with higher-than-average disruption; recent CRDC data showed elevated rates persisting after pandemic-era schooling changes)

chronic absenteeism rate is the simplest comparative metric but it does not capture the full picture: a student is chronically absent if they miss ≥10% of enrolled days for any reason — illness, family obligations, or disengagement Higher values may reflect larger urban scale or recent resource constraints that have widened the gap.

Source: NCES Civil Rights Data Collection 2021-22 NCES Civil Rights Data Collection 2021-22

Where does the funding come from?

5.1%
Federal
24.3%
State
70.6%
Local

Student Demographics

Average demographic composition across 1 schools in River Montessori Elementary Charter District.

White 56.3%
Hispanic or Latino 20.1%
African American 2.1%
Asian 5.6%
Multiracial 16.0%

Source: NCES CCD School Membership 2024-25.

Programs & Resources

38.2%
Chronically Absent

Source: NCES Civil Rights Data Collection (CRDC) 2021-22.

Schools in River Montessori Elementary Charter District

School Enrollment
River Montessori Elementary Charter
Charter
144

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Frequently Asked Questions

How many schools are in River Montessori Elementary Charter District?

River Montessori Elementary Charter District has 1 schools, including 1 elementary. Total enrollment is 137 students.

How much does River Montessori Elementary Charter District spend per student?

River Montessori Elementary Charter District spends $16,797 per student.

What is the demographic composition of River Montessori Elementary Charter District?

River Montessori Elementary Charter District students are 56.3% White, 20.1% Hispanic or Latino, 5.6% Asian, 2.1% African American, averaged across 1 schools. Source: NCES CCD Membership 2024-25.

Federal data Last updated 2026 Free public data

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Full national footprint

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Refreshed within 30 days of upstream release

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Federal

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