No UC admissions data on file for River Islands High.

This school doesn't appear in UCOP's source-school records (it may send few or no applicants to UC). Its enrollment trend and similar-school comparison are still below.

River Islands High

Lathrop · San Joaquin County · Banta Unified · Public

Public San Joaquin County Banta Unified → CDS 3977388…

Shareable scorecard →

Data Year

Compare with peers

Most similar nearby schools

Aspire Langston Hughes Academy → Weston Ranch High School → Delta Charter High School → Ripon High School → Lathrop High School → Compare all similar →

How River Islands High compares for families

What families should know about River Islands High.

▸ vs Similar SchoolsThe closest comparables nearby: Aspire Langston Hughes Academy, Weston Ranch High School, Delta Charter High School and 2 more. See the sidebar to compare side-by-side.

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For Parents

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Objective, government-grade data — no school pays us for placement.

SBAC academic outcomes — grade 11, 2025

Share of grade-11 students meeting or exceeding the California standard on Smarter Balanced ELA and Math. This is the academic-readiness signal that pairs with UC Reach (post-grad outcomes), stability (retention), and absenteeism (engagement). Note: statewide median Math is only ~20% — a school at 20% isn't an outlier; one at 45%+ genuinely is.

About half of students read and write at grade level — about the state norm.

About 1 in 3 students do math at grade level — above the state norm.

ELA — met or exceeded

n = 131

52.7%

incl. 18.3% exceeded

+2.2 pts above San Joaquin County median (50.5%) · CA median 54.5% · Top 10% statewide ≥ 79.4%

Math — met or exceeded

n = 132

31.8%

incl. 12.9% exceeded

+12.2 pts above San Joaquin County median (19.6%) · CA median 21.4% · Top 10% statewide ≥ 53.6%

Source: California Assessment of Student Performance and Progress (CAASPP) Smarter Balanced research files. Benchmarks limited to non-virtual public & charter HS with ≥30 tested students.

Student composition — 2025-26

HS grades 9–12 racial/ethnic composition and program subgroups, from CDE Census Day Enrollment. Two-year shift shown when ≥1 pt — surfaces how the community served has changed since 2023-24.

Race / ethnicity

Asian 32% +11.2

Hispanic / Latino 27% -5.3

Filipino 17% -1.9

Black / African Am. 12% +4.8

White 8% -2.6

American Indian 1%

Pacific Islander 1%

Two or more 1% -6.0

Program subgroups

Socioeconomically disadv. 31% -12.6

Students w/ disabilities 9% -1.8

English learners 5% -4.3

Source: California Department of Education, Census Day Enrollment 2025-26 (HS grades 9–12). Δ shown when shift is ≥1 pt since 2023-24. Categories below 0.5% omitted.

Chronic absenteeism — 2024-25

Share of students missing 10% or more of expected attendance — the leading indicator that often precedes the demand decline shown above. Families disengaging tend to raise absenteeism first, then formally leave. Basis: grades 9–12.

Kids show up: 14% are chronically absent versus about 23% statewide — engagement most schools would envy.

Chronic absent

14.3%

78 of 544 students

Absenteeism is up 4.2 pp since 2022-23. A rising absenteeism trend often precedes formal departure — worth investigating which subgroups are driving it.

San Joaquin County median

20.5% · school is better than 74% of 47 HS

Statewide median

22.8%

Chronic absenteeism by year (raw %)

Source: California Department of Education, Chronic Absenteeism 2024-25. Benchmarks limited to non-virtual public & charter HS with ≥100 eligible students. CDE didn't publish a usable 2019-20 file (COVID).

Enrollment trend & projection

Total enrollment

108 (2023) → 837 (2026)

+675.0%

How does River Islands High really compare on getting kids to college?

Unlock a head-to-head snapshot of River Islands High against its 10 most similar nearby schools — matched on size, location, type. See exactly where it stands on the college pipeline.

The full head-to-head table — every peer school's UC Reach, side by side.

Enrollment trend + 3-year projection — is this school growing or quietly shrinking?

The plain-English read on what it all means for your family.

Your similar-school group includes

Aspire Langston Hughes Academy · Weston Ranch High School · Delta Charter High School · Ripon High School · Lathrop High School · East Union High School · +4 more

Enrollment stability & demand — 2024-25

Two complementary signals: retention (do students stay once enrolled?) and demand (are families choosing the school?). Read against the San Joaquin County baseline — the demographic tide is moving every CA HS, so a school's gap vs. county is the actionable signal.

92% of students who start the year here finish it here.

Stability rate

91.8%

503 of 548 students

45 of 548 students who enrolled at River Islands High this year didn't maintain continuous enrollment (8.2% non-stability). Mid-year transfers, dropouts, and other exits are all counted.

San Joaquin County median

86.0% · school is in the 77th percentile of 47 HS

Statewide median

87.3% · in the 74th percentile of 1,734 HS

Stability by student group

Socio. disadvantaged (220) 89.1%

Hispanic / Latino (163) 90.8%

Asian (159) 93.1%

Filipino (99) 94.9%

Black / African Am. (61) 88.5%

Students w/ disabilities (51) 94.1%

Nearest peer high schools

Aspire Langston Hughes Academy 90.1% Weston Ranch High School 84.8% Delta Charter High School 85.8% Ripon High School 95.4% Lathrop High School 86.5%

Source: California Department of Education, Stability Rate 2024-25. Benchmarks limited to non-virtual public & charter HS with ≥100 cumulative enrollees so by-design-high-churn continuation schools don't dominate the bottom of the distribution. Cumulative enrollment counts every student on the rolls during the year, so it can exceed peak-day enrollment.

For School Admins

The full Reach Report for River Islands High

A board- and LCAP-ready intelligence brief: your enrollment retention and college outcomes, benchmarked against your closest competitors, with a 5-year forecast, concrete steps to act on, and the rigor + outcomes story you can share with your families. Built from primary public data — prepared for you, not auto-generated.

✓Student-retention benchmarking vs your county median — and the LCAP evidence to back your goals

See a sample report →