Mark West Union Elementary

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.

Santa Rosa, California - 4 schools

An equity score of 44/100 ranks Mark West Union Elementary #910 of 1517 districts in California (state average 50). Derived live from how evenly resources are distributed across the district's schools.

At $15,852 per pupil, Mark West Union Elementary ranks #761 of 1862 California districts by per-pupil spending (California districts). NCES F-33 finance data.

1,305
Total Enrollment
4
Schools
$15,852
Per-Pupil Spending
Elementary
School Types

District-Level NCES Analysis

Mark West Union Elementary operates 4 public schools serving 1,305 students, placing it among the smallest districts in California. The school portfolio breaks down into 4 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 $15,852 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 51.3% local, 42.3% state, and 6.4% 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 44/100, ranked #910 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.

a 340.3:1 student-counselor ratio, well above the ASCA benchmark though still under the roughly 408:1 national average, and 20.4% chronic absenteeism from the 2021-22 Civil Rights Data Collection. Demographically, the student body averages 52.9% White, 34.9% Hispanic or Latino, 4.1% Asian across the district's schools. Its most demographically mixed campus is Mark West Charter, with a diversity index of 60.6/100.

Its largest campus is Mark West Elementary, enrolling 425 students (31% of the district's total enrollment). Its smallest is Mark West Charter, at 124 students, a 3x enrollment spread across the district's campuses.

Mark West Elementary accounts for 31.2% of all Mark West Union Elementary student enrollment

That dominant concentration means Mark West Union Elementary-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

Mark West Union Elementary school enrollment varies 3.4× across entities

Mark West Union Elementary school enrollment ranges from 124 students (lowest) to 425 students (highest), a spread of 301 students. That relatively narrow ratio reflects an unusually homogeneous campus portfolio, most districts have a wider mix of school sizes. 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

Mark West Union Elementary student-counselor ratio is 340:1 — 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 Mark West Union Elementary is typically wider than the Mark West Union Elementary-aggregate figure suggests.

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

Mark West Union Elementary chronic absenteeism rate is 20.4% — 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 Mark West Union Elementary is typically wider than the Mark West Union Elementary-aggregate figure suggests.

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

Where does the funding come from?

6.4%
Federal
42.3%
State
51.3%
Local

Funding Equity

44
Equity Score
910 / 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 4 schools in Mark West Union Elementary.

White 52.9%
Hispanic or Latino 34.9%
African American 0.8%
Asian 4.1%
Multiracial 6.3%
Other 1.0%

Source: NCES CCD School Membership 2024-25.

Student-body diversity

Average diversity index 58.2/100

Average Simpson diversity index across Mark West Union Elementary's schools, above the California average of 46.0.

Most mixed schools

  1. 1 Mark West Charter 60.6
  2. 2 Mark West Elementary 60.5
  3. 3 San Miguel Elementary 57.6
  4. 4 John B. Riebli Elementary 54.1

Programs & Resources

340.3:1
Student-Counselor Ratio
20.4%
Chronically Absent

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

Schools in Mark West Union Elementary

School Enrollment
Mark West Elementary
425
John B. Riebli Elementary
Charter
411
San Miguel Elementary
Charter
401
Mark West Charter
Charter
124

How Mark West Union Elementary Compares to Similar-Size Districts

The California districts closest to this one in total enrollment.

District Enrollment Spending Funding Mix
Denair Unified Similar size Similar spending Similar funding mix
Vista Real Charter High District Similar size Higher spending Less locally funded
Imagine Schools Riverside County District Similar size Similar spending Less locally funded
Hawking S.T.E.a.M. Charter District Similar size Lower spending Less locally funded
Hillsborough City Elementary Similar size Higher spending More locally funded

Comparisons are relative to Mark West Union Elementary'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 Mark West Union Elementary →
San Diego Unified
93,893 students · 175 schools · $18,665/pupil
Compare vs Mark West Union Elementary →
Fresno Unified
69,668 students · 101 schools · $18,783/pupil
Compare vs Mark West Union Elementary →
Long Beach Unified
65,554 students · 84 schools · $16,028/pupil
Compare vs Mark West Union Elementary →
Elk Grove Unified
62,061 students · 67 schools · $14,134/pupil
Compare vs Mark West Union Elementary →

Compare Mark West Union Elementary

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 Mark West Union Elementary?

Mark West Union Elementary has 4 schools, including 4 elementary. Total enrollment is 1,305 students.

How much does Mark West Union Elementary spend per student?

Mark West Union Elementary spends $15,852 per student. The district has an equity score of 44/100, ranking #910 in California.

What is the demographic composition of Mark West Union Elementary?

Mark West Union Elementary students are 52.9% White, 34.9% Hispanic or Latino, 4.1% Asian, 0.8% African American, averaged across 4 schools. Source: NCES CCD Membership 2024-25.

What is the equity score for Mark West Union Elementary?

Mark West Union Elementary has an equity score of 44/100, ranking #910 out of 1517 districts in California.