Enrollment
519
California · 2024-25 NCES data
Elementary school (grades K-5) · Yuba City, CA
Twin Rivers Charter
Federal NCES profile for Twin Rivers Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060227811519Charter school
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 31
📋 Attendance 79
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Twin Rivers Charter earns 35/100 on the Resource Investment Index, with class sizes larger than 85% of California schools. It is also more racially and ethnically mixed than most California schools.
- #8 of 13
- elementary schools in Yuba City · Resource Index
- 35
- Resource Index · Typical
- 25.9:1
- large classes for California
- 30.8%
- free-lunch eligible
Twin Rivers Charter has class sizes larger than 85% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Twin Rivers Charter ranks #8 of 13 elementary schools in Yuba City, CA.
School address
District: Twin Rivers Charter District · California
NCES ID 060227811519 Verify on NCES CCD record →
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
25.9:1
vs 21.5:1 California avg
+20% vs state
Free-lunch eligible
30.8%
vs 55.5% California avg
-45% vs state
Student-teacher ratio in context
How Twin Rivers Charter compares with California and U.S. medians
What stands out at Twin Rivers Charter
Twin Rivers Charter is a mid-sized charter elementary school in Yuba City, California, enrolling 519 students.
Class loads run somewhat heavier than typical: 25.9:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 30.8% of students eligible for free meals.
With 519 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,354 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #492.
Its student body is led by White (46%) and Hispanic or Latino (30%), more mixed than most schools in the state (diversity index 68/100).
Counselor availability sits well past the ASCA benchmark, roughly 346 students sharing each counselor, though short of the most stretched campuses.
Attendance holds up well here: only 8.3% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Twin Rivers Charter District spends $12,621 per pupil, 24% below the California average, a leaner-resourced district than most.
Among Yuba City's elementary schools, it stands alongside Andros Karperos (1,181 students): Twin Rivers Charter is smaller than that campus by headcount and runs heavier classes (25.9:1 vs 21.5:1).
Twin Rivers Charter District is a single-school charter district, so Twin Rivers 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 Twin Rivers Charter compares
Twin Rivers 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 | 25.9:1 | ▲ 20% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 30.8% | ▼ 45% | 55.5% | 51.7% |
| Enrollment | 519 | top 43% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.9:1
Leaner classes than 4% of US schools, heavier class loads than most.
519
Bigger than 64% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
30.8%
free-lunch eligible
- 45% 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
25.9:1
students per teacher
- 20% above state mean
Top 85% in California - lower ratio than 15% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
8.3%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$12,621
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
Counselors1.5 FTE
Per 346 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.6 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 46.2%
Hispanic or Latino 29.9%
Asian 10.6%
Two or More 9.8%
African American 2.3%
American Indian / Alaska Native 1.2%
Largest group: White at 46.2% of enrollment.
Student-body diversity index 67.6/100
Simpson diversity index - at 67.6, Twin Rivers Charter is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Twin Rivers Charter District, which includes Twin Rivers Charter.
$12,621
Per student
-24%
vs California
Avg $16,509
-24%
vs U.S.
Avg $16,593
Revenue mix
Local 26.4%
State 66.3%
Federal 7.2%
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 Yuba City
6 comparable elementary schools (grades K-5) serving the same city.
Andros Karperos
Standard public school
1,181 students 21.5:1 students per teacher
Riverbend Elementary
Standard public school
914 students 17.9:1 students per teacher
Butte Vista Elementary
Standard public school
853 students 20.8:1 students per teacher
Tierra Buena Elementary
Standard public school
607 students 18.4:1 students per teacher
Barry Elementary
Standard public school
596 students 21.3:1 students per teacher
Lincrest Elementary
Standard public school
595 students 20.5:1 students per teacher
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.
Similar enrollment (~519 students)
Similar student-teacher ratio (~25.9:1)
Next steps
Verify locally before acting on Twin Rivers Charter's federal record.
- Compare Twin Rivers Charter against another school. Compare schools
- Twin Rivers Charter District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 Twin Rivers Charter
How many students attend Twin Rivers Charter?
Twin Rivers Charter has 519 students enrolled. It is an elementary school in Yuba City, CA.
What is the student-teacher ratio at Twin Rivers Charter?
The student-teacher ratio at Twin Rivers Charter is 25.9:1, which is 20% higher than the California average of 21.5:1 and 65% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Twin Rivers Charter?
30.8% of students at Twin Rivers Charter are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Twin Rivers Charter?
The largest demographic group at Twin Rivers Charter is White at 46.2% of enrollment, in Yuba City, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.6/100.
What is the Resource Investment Index for Twin Rivers Charter?
Twin Rivers Charter has a Resource Investment Index of 35/100 (typical 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 Twin Rivers Charter rank among elementary schools in Yuba City?
By Resource Investment Index, Twin Rivers Charter ranks #8 of 13 elementary schools in Yuba City, 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 Yuba City on the city page.
Is Twin Rivers Charter a good school?
Twin Rivers Charter earns 35/100 on the Resource Investment Index, with class sizes larger than 85% 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 Twin Rivers Charter District?
None; Twin Rivers Charter District is a single-school charter district, and Twin Rivers Charter is its only campus.
Related tools
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.