Windsor Unified

Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. District totals are aggregated directly from the schools reporting under this district in the source records. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.

Windsor, California - 8 schools

An equity score of 43/100 ranks Windsor Unified #934 of 1517 districts in California (state average 50). Derived live from how evenly resources are distributed across the district's schools.

At $14,106 per pupil, Windsor Unified ranks #1184 of 1862 California districts by per-pupil spending (California districts). NCES F-33 finance data.

4,634
Total Enrollment
8
Schools
$14,106
Per-Pupil Spending
Elementary, High
School Types

District-Level NCES Analysis

Windsor Unified operates 8 public schools serving 4,634 students, placing it among the smaller districts in California. The school portfolio breaks down into 3 elementary, 2 high, 2 combined, 1 middle schools, a compact enough portfolio that families can compare every campus directly before they move, rent, or enrol. 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 $14,106 according to the NCES F-33 School District Finance Survey, in the lower half of 1862 California districts by per-pupil spending. See how California compares in our national per-pupil spending analysis. The funding mix is 63.5% local, 29.8% state, and 6.7% 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 43/100, ranked #934 of 1517 in California against a state average of 50, in line with the typical spread seen across the state for how evenly funding reaches its schools.

Academic infrastructure includes 1 of 8 schools offering Advanced Placement (11 AP courses district-wide), a 341.1:1 student-counselor ratio, well above the ASCA benchmark though still under the roughly 408:1 national average, and 34.1% chronic absenteeism from the 2021-22 Civil Rights Data Collection. Demographically, the student body averages 57.7% Hispanic or Latino, 35.8% White, 1.1% Asian across the district's schools. Its most demographically mixed campus is Mattie Washburn Elementary, with a diversity index of 60.1/100.

Its largest campus is Windsor High, enrolling 1,700 students (36% of the district's total enrollment). Its smallest is Windsor Oaks Academy, at 33 students, a 52x enrollment spread across the district's campuses.

Windsor High accounts for 36.5% of all Windsor Unified student enrollment

That dominant concentration means Windsor Unified-wide averages can mask substantial variation outside the dominant entity. Grade band: high. 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

Windsor Unified school enrollment varies 52× across entities

Windsor Unified school enrollment ranges from 33 students (lowest) to 1,700 students (highest), a spread of 1,667 students. That ratio is among the widest observed and reflects extreme enrollment heterogeneity, the district operates both small specialty programs and large comprehensive campuses inside a single budgeting unit. Per-school staffing ratios, programme availability, and capital-renovation cycles often diverge inside the same district based on enrollment shape.

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

Windsor Unified student-counselor ratio is 341:1 — near the typical range (US average ~408) — within the typical range for U.S. public districts

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 Variation between sub-units within Windsor Unified is typically wider than the Windsor Unified-aggregate figure suggests.

Source: NCES Civil Rights Data Collection NCES Civil Rights Data Collection

Windsor Unified chronic absenteeism rate is 34.1% — 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?

6.7%
Federal
29.8%
State
63.5%
Local

Funding Equity

43
Equity Score
934 / 1517
State Rank
50
State Average

This district has moderate funding equity. There may be room to improve funding diversity or resource allocation.

Student Demographics

Average demographic composition across 8 schools in Windsor Unified.

White 35.8%
Hispanic or Latino 57.7%
Asian 1.1%
Multiracial 4.2%
Other 0.8%

Source: NCES CCD School Membership 2024-25.

Student-body diversity

Average diversity index 49.8/100

Average Simpson diversity index across Windsor Unified's schools, above the California average of 46.0.

Most mixed schools

  1. 1 Mattie Washburn Elementary 60.1
  2. 2 Windsor Middle 59.3
  3. 3 Brooks Elementary 58.1
  4. 4 Windsor High 56.3
  5. 5 North Bay Met Academy 48.2

Programs & Resources

1 / 8
Schools with AP
11 AP courses total
341.1:1
Student-Counselor Ratio
34.1%
Chronically Absent

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

Schools in Windsor Unified

School Enrollment
Windsor High
1,700
Cali Calmecac Language Academy
Charter
1,075
Windsor Middle
736
Mattie Washburn Elementary
535
Brooks Elementary
493
Bridges Community Based School North County Consortium
52
North Bay Met Academy
34
Windsor Oaks Academy
33

How Windsor Unified Compares to Similar-Size Districts

The California districts closest to this one in total enrollment.

District Enrollment Spending Funding Mix
Encinitas Union Elementary Similar size Similar spending More locally funded
South Pasadena Unified Similar size Similar spending Less locally funded
San Gabriel Unified Similar size Higher spending Less locally funded
Heartland Charter District Similar size Lower spending Less locally funded
Huntington Beach City Elementary Similar size Similar spending More locally funded

Comparisons are relative to Windsor Unified's own figures; each column derives from NCES Common Core of Data and the F-33 Finance Survey.

Nearby Districts in California

Top districts in the same state, compare side-by-side for enrollment, spending, and demographics.

Los Angeles Unified
427,795 students · 785 schools · $21,940/pupil
Compare vs Windsor Unified →
San Diego Unified
93,893 students · 175 schools · $18,665/pupil
Compare vs Windsor Unified →
Fresno Unified
69,668 students · 101 schools · $18,783/pupil
Compare vs Windsor Unified →
Long Beach Unified
65,554 students · 84 schools · $16,028/pupil
Compare vs Windsor Unified →
Elk Grove Unified
62,061 students · 67 schools · $14,134/pupil
Compare vs Windsor Unified →

Compare Windsor Unified

See how this district compares to others in enrollment, spending, demographics, and academic resources.

Compare vs Los Angeles Unified →

Frequently Asked Questions

How many schools are in Windsor Unified?

Windsor Unified has 8 schools, including 2 high, 3 elementary, 1 middle, 2 combined. Total enrollment is 4,634 students.

How much does Windsor Unified spend per student?

Windsor Unified spends $14,106 per student. The district has an equity score of 43/100, ranking #934 in California.

What is the demographic composition of Windsor Unified?

Windsor Unified students are 57.7% Hispanic or Latino, 35.8% White, 1.1% Asian, 0.4% African American, averaged across 8 schools. Source: NCES CCD Membership 2024-25.

What is the equity score for Windsor Unified?

Windsor Unified has an equity score of 43/100, ranking #934 out of 1517 districts in California.