River Islands High District

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, the data changelog, or report a data error. Data current as of August 2026.

Lathrop, California - 1 schools

At $21,222 per pupil, River Islands High District ranks #354 of 1880 California districts by per-pupil spending (California districts). NCES F-33 finance data.

108
Total Enrollment
1
Schools
$21,222
Per-Pupil Spending
High
School Types

District-Level NCES Analysis

River Islands High District operates 1 public schools serving 108 students, placing it among the smallest districts in California. The school portfolio breaks down into 1 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 San Joaquin County.

Per-pupil expenditure runs $21,222 according to the NCES F-33 School District Finance Survey, in the upper half of 1880 California districts by per-pupil spending. See how California compares in our national per-pupil spending analysis.

. Demographically, the student body averages 47.9% Asian, 29.9% Hispanic or Latino, 10.9% African American across the district's schools.

Its largest campus is River Islands High, enrolling 512 students (100% of the district's total enrollment).

River Islands High accounts for 100.0% of all River Islands High District student enrollment

That is an overwhelming concentration, leaving the rest of River Islands High District a distant remainder — means River Islands High District-wide averages can mask substantial variation outside the largest entity. Grade band: high. The share measures enrollment concentration only; it does not establish how the district allocates programs, capital, or staff. Because it contains a majority of the affected population, enrollment-weighted aggregates will sit closer to this entity's reported fields than to those of smaller peers; an unweighted entity count answers a different question.

Source: NCES Common Core of Data

Student Demographics

Average demographic composition across 1 schools in River Islands High District.

White 8.0%
Hispanic or Latino 29.9%
African American 10.9%
Asian 47.9%
Multiracial 1.0%
Other 2.4%

Source: NCES CCD School Membership 2024-25.

Schools in River Islands High District

School Enrollment
River Islands High
Charter
512

How River Islands High District Compares to Similar-Size Districts

The California districts closest to this one in total enrollment.

District Enrollment Spending Funding Mix
Kid Street Learning Center Charter District Similar size Similar spending No revenue-mix data
Fieldbrook Elementary Similar size Lower spending No revenue-mix data
Happy Camp Union Elementary Similar size Higher spending No revenue-mix data
Plainsburg Union Elementary Similar size Lower spending No revenue-mix data
Forest Ranch Charter District Similar size Lower spending No revenue-mix data

Comparisons are relative to River Islands High District'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 · $22,606/pupil
Compare vs River Islands High District →
San Diego Unified
93,893 students · 175 schools · $20,783/pupil
Compare vs River Islands High District →
Fresno Unified
69,668 students · 101 schools · $20,909/pupil
Compare vs River Islands High District →
Long Beach Unified
65,554 students · 84 schools · $18,419/pupil
Compare vs River Islands High District →
Elk Grove Unified
62,061 students · 67 schools · $15,921/pupil
Compare vs River Islands High District →

Nationwide districts with similar enrollment or spending

Out-of-state peers matched by enrollment and by per-pupil expenditure, not the same-state lists above.

Compare River Islands High District

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 River Islands High District?

River Islands High District has 1 school, including 1 high. Total enrollment is 108 students.

How much does River Islands High District spend per student?

River Islands High District spends $21,222 per student.

What is the demographic composition of River Islands High District?

River Islands High District students are 47.9% Asian, 29.9% Hispanic or Latino, 10.9% African American, 8.0% White, averaged across 1 school. Source: NCES CCD Membership 2024-25.