Elementary school (grades K-5) · Lathrop, CA

River Islands Technology Academy Ii

Federal NCES profile for River Islands Technology Academy Ii, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 13/100.

2024-25 NCES dataElementary school (grades K-5)NCES 060175613146Charter school
0/100100/10013/100
👥 S:T ratio
0
🌟 Gifted program
30
🎓 Counselors
0
📋 Attendance
22
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

River Islands Technology Academy Ii earns 13/100 on the Resource Investment Index, with class sizes larger than 87% of California schools. It is also more racially and ethnically mixed than most California schools.

#4 of 6
elementary schools in Lathrop · Resource Index
13
Resource Index · Lower
26.5:1
large classes for California
29.9%
free-lunch eligible

River Islands Technology Academy Ii has class sizes larger than 87% of California schools. Computed live against every California school reporting to NCES.

By Resource Investment Index, River Islands Technology Academy Ii ranks #4 of 6 elementary schools in Lathrop, CA.

Enrollment

954

California · 2024-25 NCES data

Teachers (FTE)

36.0

Federal CCD staff survey

Students per teacher

26.5:1

vs 21.5:1 California avg

+23% vs state

Free-lunch eligible

29.9%

vs 55.5% California avg

-46% vs state

Student-teacher ratio in context

How River Islands Technology Academy Ii compares with California and U.S. medians

Larger classes than state median
0:135:126.5:1

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at River Islands Technology Academy Ii

River Islands Technology Academy Ii is a large charter elementary school in Lathrop, California, enrolling 954 students.

Class loads run heavy: 26.5:1 is larger than about 87% of California schools and 23% above the 21.5:1 state mean, so each teacher carries more students than is typical.

Economic need runs somewhat below the state's typical profile, with 29.9% of students eligible for free meals.

Enrollment of 954 puts it in the larger third of California schools by headcount.

Its Resource Investment Index trails 94% of the 9,998 California schools with a score on record, one of the lower results on this measure.

Among 919 similarly sized, similarly resourced-need California schools statewide, it ranks #885, in the lower tier once campus size and economic need are matched.

Its student body is led by Asian (40%) and Hispanic or Latino (34%), more mixed than most schools in the state (diversity index 69/100).

Counselor access is stretched at roughly 1590 students per counselor, well above the ASCA-recommended 250:1 ceiling.

Chronic absenteeism is elevated: 31.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

The surrounding River Islands Technology Academy Ii District spends $8,748 per pupil, 47% below the California average, a leaner-resourced district than most.

The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.

Among Lathrop's elementary schools, it stands alongside Mossdale Elementary (1,087 students): River Islands Technology Academy Ii is smaller than that campus by headcount and runs leaner classes (26.5:1 vs 27.9:1).

River Islands Technology Academy Ii District is a single-school charter district, so River Islands Technology Academy Ii operates independently rather than alongside district-mates.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How River Islands Technology Academy Ii compares

River Islands Technology Academy Ii on the metrics families compare, against California and U.S. means.

Metric This school vs California California avg U.S. avg
Students per teacher 26.5:1 ▲ 23% 21.5:1 15.7:1
Free-lunch eligible 29.9% ▼ 46% 55.5% 51.7%
Enrollment 954 top 12% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

26.5:1
Leaner classes than 4% of US schools, heavier class loads than most.
954
Bigger than 90% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
29.9%
free-lunch eligible - 46% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
26.5:1
students per teacher - 23% above state mean
Top 87% in California - lower ratio than 13% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
31.1%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$8,748
per pupil, district-wide - below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.6 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 16 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.7 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

Asian 40.3%
Hispanic or Latino 34.4%
White 12.1%
African American 11.1%
American Indian / Alaska Native 1.3%
Two or More 0.5%
Native Hawaiian / Pacific Islander 0.4%

Largest group: Asian at 40.3% of enrollment.

Student-body diversity index 69.2/100

Simpson diversity index - at 69.2, River Islands Technology Academy Ii is more mixed than the California school average of 46.0.

Programs

Funding & spending

District-wide per-pupil expenditure for River Islands Technology Academy Ii District, which includes River Islands Technology Academy Ii.

$8,748
Per student
-47%
vs California
Avg $16,509
-47%
vs U.S.
Avg $16,593
Revenue mix
Local 16.6%
State 77.8%
Federal 5.6%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

Similar elementary schools in Lathrop

5 comparable elementary schools (grades K-5) serving the same city.

Similar elementary schools statewide

Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on River Islands Technology Academy Ii's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about River Islands Technology Academy Ii

How many students attend River Islands Technology Academy Ii?

River Islands Technology Academy Ii has 954 students enrolled. It is an elementary school in Lathrop, CA.

What is the student-teacher ratio at River Islands Technology Academy Ii?

The student-teacher ratio at River Islands Technology Academy Ii is 26.5:1, which is 23% higher than the California average of 21.5:1 and 69% higher than the national average of 15.7:1.

What percentage of students receive free lunch at River Islands Technology Academy Ii?

29.9% of students at River Islands Technology Academy Ii are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of River Islands Technology Academy Ii?

The largest demographic group at River Islands Technology Academy Ii is Asian at 40.3% of enrollment, in Lathrop, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.2/100.

What is the Resource Investment Index for River Islands Technology Academy Ii?

River Islands Technology Academy Ii has a Resource Investment Index of 13/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does River Islands Technology Academy Ii rank among elementary schools in Lathrop?

By Resource Investment Index, River Islands Technology Academy Ii ranks #4 of 6 elementary schools in Lathrop, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Lathrop on the city page.

Is River Islands Technology Academy Ii a good school?

River Islands Technology Academy Ii earns 13/100 on the Resource Investment Index, with class sizes larger than 87% of California schools. It is also more racially and ethnically mixed than most California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in River Islands Technology Academy Ii District?

None; River Islands Technology Academy Ii District is a single-school charter district, and River Islands Technology Academy Ii is its only campus.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.