Other / mixed grade configuration · Lodi, CA

Rio Valley Charter

Federal NCES profile for Rio Valley Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.

2024-25 NCES dataOther / mixed grade configurationNCES 060176512723Charter school
0/100100/10040/100
👥 S:T ratio
23
🌟 Gifted program
30
🎓 Counselors
67
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Rio Valley Charter earns 40/100 on the Resource Investment Index, with class sizes smaller than 71% of California schools. It is also more racially and ethnically mixed than most California schools.

#2 of 4
schools in Lodi · Resource Index
40
Resource Index · Typical
19.3:1
small classes for California
43.7%
free-lunch eligible

Rio Valley Charter has class sizes smaller than 71% of California schools. Computed live against every California school reporting to NCES.

By Resource Investment Index, Rio Valley Charter ranks #2 of 4 schools in Lodi, CA.

Enrollment

714

California · 2024-25 NCES data

Teachers (FTE)

37.0

Federal CCD staff survey

Students per teacher

19.3:1

vs 21.5:1 California avg

-10% vs state

Free-lunch eligible

43.7%

vs 55.5% California avg

-21% vs state

Student-teacher ratio in context

How Rio Valley Charter compares with California and U.S. medians

Smaller classes than state median
0:135:119.3:1

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

What stands out at Rio Valley Charter

Rio Valley Charter is a mid-sized charter combined-grade school in Lodi, California, enrolling 714 students.

Class sizes run a bit leaner than typical: 19.3:1 puts it in the smaller third of California schools by student-teacher ratio.

Economic need runs somewhat below the state's typical profile, with 43.7% of students eligible for free meals.

Enrollment of 714 puts it in the larger third of California schools by headcount.

Its Resource Investment Index lands in the upper third of 9,998 scored California schools.

Against 1,274 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #157.

Its student body is led by White (37%) and Hispanic or Latino (36%), more mixed than most schools in the state (diversity index 70/100).

Counselor coverage is strong, about 167 students per counselor, inside the American School Counselor Association's recommended 250:1.

The surrounding Rio Valley Charter District spends $9,110 per pupil, 45% below the California average, a leaner-resourced district than most.

Among Lodi's public schools, it stands alongside Vista Oaks Charter (999 students): Rio Valley Charter is smaller than that campus by headcount and runs leaner classes (19.3:1 vs 28.5:1).

Rio Valley Charter District is a single-school charter district, so Rio Valley Charter 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 Rio Valley Charter compares

Rio Valley Charter on the metrics families compare, against California and U.S. means.

Metric This school vs California California avg U.S. avg
Students per teacher 19.3:1 ▼ 10% 21.5:1 15.7:1
Free-lunch eligible 43.7% ▼ 21% 55.5% 51.7%
Enrollment 714 top 23% - -

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

19.3:1
Leaner classes than 19% of US schools, heavier class loads than most.
714
Bigger than 81% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
43.7%
free-lunch eligible - 21% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
19.3:1
students per teacher - 10% below state mean
Top 29% in California - lower ratio than 71% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$9,110
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
Counselors4.3 FTE
Per 167 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.

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

White 37.4%
Hispanic or Latino 36.0%
Asian 16.5%
African American 4.3%
American Indian / Alaska Native 2.8%
Two or More 1.8%
Native Hawaiian / Pacific Islander 1.1%

Largest group: White at 37.4% of enrollment.

Student-body diversity index 70.0/100

Simpson diversity index - at 70.0, Rio Valley Charter is more mixed than the California school average of 46.0.

Programs

AP courses offered 2

Funding & spending

District-wide per-pupil expenditure for Rio Valley Charter District, which includes Rio Valley Charter.

$9,110
Per student
-45%
vs California
Avg $16,509
-45%
vs U.S.
Avg $16,593
Revenue mix
Local 21.9%
State 73.0%
Federal 5.1%

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 other schools in Lodi

3 comparable other schools (grades Mixed) serving the same city.

Similar other 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 Rio Valley Charter'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 Rio Valley Charter

How many students attend Rio Valley Charter?

Rio Valley Charter has 714 students enrolled. It is a public school in Lodi, CA.

What is the student-teacher ratio at Rio Valley Charter?

The student-teacher ratio at Rio Valley Charter is 19.3:1, which is 10% lower than the California average of 21.5:1 and 23% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.

What percentage of students receive free lunch at Rio Valley Charter?

43.7% of students at Rio Valley Charter are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Rio Valley Charter?

The largest demographic group at Rio Valley Charter is White at 37.4% of enrollment, in Lodi, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.0/100.

What is the Resource Investment Index for Rio Valley Charter?

Rio Valley Charter has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Rio Valley Charter rank among schools in Lodi?

By Resource Investment Index, Rio Valley Charter ranks #2 of 4 schools in Lodi, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Lodi on the city page.

Is Rio Valley Charter a good school?

Rio Valley Charter earns 40/100 on the Resource Investment Index, with class sizes smaller than 71% 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 Rio Valley Charter District?

None; Rio Valley Charter District is a single-school charter district, and Rio Valley Charter 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.