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Petaluma, California - 5 schools
An equity score of 36/100 ranks Old Adobe Union #1118 of 1517 districts in California (state average 50). Derived live from how evenly resources are distributed across the district's schools.
At $15,370 per pupil, Old Adobe Union ranks #887 of 1862 California districts by per-pupil spending (California districts). NCES F-33 finance data.
1,836
Total Enrollment
5
Schools
$15,370
Per-Pupil Spending
Elementary
School Types
District-Level NCES Analysis
Old Adobe Union operates 5 public schools serving 1,836 students, placing it among the smallest districts in California. The school portfolio breaks down into 5 elementary schools, a small enough portfolio that most families will interact with nearly every campus in the district at some point. These enrollment and school figures come from the NCES Common Core of Data (CCD) 2024-25 release, and the district is based in Sonoma County.
Per-pupil expenditure runs $15,370 according to the NCES F-33 School District Finance Survey, in the upper half of 1862 California districts by per-pupil spending. See how California compares in our national per-pupil spending analysis. The funding mix is 54.9% local, 36.3% state, and 8.8% federal, a local-revenue-heavy mix that leaves the district more exposed to property-tax swings and local ballot measures than state-funded peers. The district's equity score is 36/100, ranked #1118 of 1517 in California against a state average of 50, notably less even than the typical district in the state for how evenly funding reaches its schools.
a 453.3:1 student-counselor ratio, above both the ASCA benchmark and the roughly 408:1 national average, and 26.2% chronic absenteeism from the 2021-22 Civil Rights Data Collection. Demographically, the student body averages 47.1% White, 42.6% Hispanic or Latino, 2.9% Asian across the district's schools. Its most demographically mixed campus is La Tercera Elementary, with a diversity index of 58.2/100.
Its largest campus is Loma Vista Immersion Academy, enrolling 451 students (26% of the district's total enrollment).
Loma Vista Immersion Academy accounts for 24.6% of all Old Adobe Union student enrollment
That concentration means Old Adobe Union-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.
Old Adobe Union student-counselor ratio is 453:1 — high (typically associated with staffing constraints that limit per-student counselor time; CRDC data shows higher ratios cluster in larger urban systems)
student-counselor ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE counselors against total enrollment, districts that contract intervention or social-emotional staff outside the counselor classification may be under-counted Higher values may reflect larger urban scale or recent resource constraints that have widened the gap.
Old Adobe Union chronic absenteeism rate is 26.2% — near the typical range (US average ~28) — aligned with the national post-pandemic baseline of roughly 28% chronic absenteeism
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 Variation between sub-units within Old Adobe Union is typically wider than the Old Adobe Union-aggregate figure suggests.
Old Adobe Union has 5 schools, including 5 elementary. Total enrollment is 1,836 students.
How much does Old Adobe Union spend per student?
Old Adobe Union spends $15,370 per student. The district has an equity score of 36/100, ranking #1118 in California.
What is the demographic composition of Old Adobe Union?
Old Adobe Union students are 47.1% White, 42.6% Hispanic or Latino, 2.9% Asian, 1.4% African American, averaged across 5 schools. Source: NCES CCD Membership 2024-25.
What is the equity score for Old Adobe Union?
Old Adobe Union has an equity score of 36/100, ranking #1118 out of 1517 districts in California.