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.
Lafayette, California - 5 schools
An equity score of 50/100 ranks Acalanes Union High #753 of 1517 districts in California (state average 50). Derived live from how evenly resources are distributed across the district's schools.
At $17,431 per pupil, Acalanes Union High ranks #472 of 1862 California districts by per-pupil spending (California districts). NCES F-33 finance data.
5,420
Total Enrollment
5
Schools
$17,431
Per-Pupil Spending
High
School Types
District-Level NCES Analysis
Acalanes Union High operates 5 public schools serving 5,420 students, placing it among the smallest districts in California. The school portfolio breaks down into 5 high 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 Contra Costa County.
Per-pupil expenditure runs $17,431 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 80.4% local, 14.9% state, and 4.7% 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 50/100, ranked #753 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 5 of 5 schools offering Advanced Placement (95 AP courses district-wide), a 298.4:1 student-counselor ratio, somewhat above the 250:1 ASCA recommendation, and 20.7% chronic absenteeism from the 2021-22 Civil Rights Data Collection. Demographically, the student body averages 58.2% White, 16.1% Asian, 13.1% Hispanic or Latino across the district's schools. Its most demographically mixed campus is Las Lomas High, with a diversity index of 66.6/100.
Its largest campus is Las Lomas High, enrolling 1,577 students (29% of the district's total enrollment). Its smallest is Acalanes Center for Independent Study, at 61 students, a 26x enrollment spread across the district's campuses.
Las Lomas High accounts for 29.1% of all Acalanes Union High student enrollment
That dominant concentration means Acalanes Union High-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.
Acalanes Union High school enrollment varies 26× across entities
Acalanes Union High school enrollment ranges from 61 students (lowest) to 1,577 students (highest), a spread of 1,516 students. That spread is wider than typical and predicts noticeable gaps in service quality between the highest and lowest areas. Per-school staffing ratios, programme availability, and capital-renovation cycles often diverge inside the same district based on enrollment shape.
Acalanes Union High student-counselor ratio is 298:1 — 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 Acalanes Union High is typically wider than the Acalanes Union High-aggregate figure suggests.
Acalanes Union High chronic absenteeism rate is 20.7% — 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 Acalanes Union High is typically wider than the Acalanes Union High-aggregate figure suggests.
Acalanes Union High has 5 schools, including 5 high. Total enrollment is 5,420 students.
How much does Acalanes Union High spend per student?
Acalanes Union High spends $17,431 per student. The district has an equity score of 50/100, ranking #753 in California.
What is the demographic composition of Acalanes Union High?
Acalanes Union High students are 58.2% White, 16.1% Asian, 13.1% Hispanic or Latino, 1.6% African American, averaged across 5 schools. Source: NCES CCD Membership 2024-25.
What is the equity score for Acalanes Union High?
Acalanes Union High has an equity score of 50/100, ranking #753 out of 1517 districts in California.