Enrollment
714
California · 2024-25 NCES data
Other / mixed grade configuration · Lodi, CA
Federal NCES profile for Rio Valley Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
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.
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.
NCES ID 060176512723 Verify on NCES CCD record →
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
How Rio Valley Charter compares with California and U.S. medians
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
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
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.
Largest group: White at 37.4% of enrollment.
Simpson diversity index - at 70.0, Rio Valley Charter is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Rio Valley Charter District, which includes Rio Valley Charter.
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.
3 comparable other schools (grades Mixed) serving the same city.
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.
Rio Valley Charter has 714 students enrolled. It is a public school in Lodi, CA.
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.
43.7% of students at Rio Valley Charter are eligible for free lunch, compared to the California average of 55.5%.
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.
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).
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.
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.
None; Rio Valley Charter District is a single-school charter district, and Rio Valley Charter is its only campus.
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.