Enrollment
245
California · 2024-25 NCES data
Elementary school (grades K-5) · Ukiah, CA
River Oak Charter
Federal NCES profile for River Oak Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060241412026Charter school
👥 S:T ratio 2
🌟 Gifted program 30
🎓 Counselors 55
📋 Attendance 34
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
River Oak Charter earns 30/100 on the Resource Investment Index, with class sizes larger than 76% of California schools.
- #2 of 8
- elementary schools in Ukiah · Resource Index
- 30
- Resource Index · Lower
- 24.5:1
- large classes for California
- 38.1%
- free-lunch eligible
River Oak Charter has class sizes larger than 76% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, River Oak Charter ranks #2 of 8 elementary schools in Ukiah, CA.
School address
District: River Oak Charter District · California
NCES ID 060241412026 Verify on NCES CCD record →
Teachers (FTE)
10.0
Federal CCD staff survey
Students per teacher
24.5:1
vs 21.5:1 California avg
+14% vs state
Free-lunch eligible
38.1%
vs 55.5% California avg
-31% vs state
Student-teacher ratio in context
How River Oak Charter compares with California and U.S. medians
What stands out at River Oak Charter
River Oak Charter is a mid-sized charter elementary school in Ukiah, California, enrolling 245 students.
Class loads run somewhat heavier than typical: 24.5:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 38.1% of students eligible for free meals.
Enrollment of 245 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 521 statewide peers matched on enrollment and economic need, it ranks mid-pack at #293.
Its student body is led by White (59%) and Hispanic or Latino (24%) (diversity index 58/100).
Counselor coverage is strong, about 223 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 26.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding River Oak Charter District spends $8,773 per pupil, 47% below the California average, a leaner-resourced district than most.
Among Ukiah's elementary schools, it stands alongside Calpella Elementary (475 students): River Oak Charter is smaller than that campus by headcount and runs heavier classes (24.5:1 vs 22.6:1).
River Oak Charter District is a single-school charter district, so River Oak 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 River Oak Charter compares
River Oak 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 | 24.5:1 | ▲ 14% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 38.1% | ▼ 31% | 55.5% | 51.7% |
| Enrollment | 245 | top 79% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.5:1
Leaner classes than 6% of US schools, heavier class loads than most.
245
Bigger than 25% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
38.1%
free-lunch eligible
- 31% 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
24.5:1
students per teacher
- 14% above state mean
Top 76% in California - lower ratio than 24% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
26.5%
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
$8,773
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
Counselors1.1 FTE
Per 223 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 59.4%
Hispanic or Latino 24.2%
Two or More 7.8%
Asian 3.3%
American Indian / Alaska Native 3.3%
African American 2.0%
Largest group: White at 59.4% of enrollment.
Student-body diversity index 58.0/100
Simpson diversity index - at 58.0, River Oak Charter is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for River Oak Charter District, which includes River Oak Charter.
$8,773
Per student
-47%
vs California
Avg $16,509
-47%
vs U.S.
Avg $16,593
Revenue mix
Local 32.3%
State 60.0%
Federal 7.7%
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 Ukiah
6 comparable elementary schools (grades K-5) serving the same city.
Calpella Elementary
Standard public school
475 students 22.6:1 students per teacher
Grace Hudson Elementary
Standard public school
449 students 24.9:1 students per teacher
Oak Manor Elementary
Standard public school
417 students 24.5:1 students per teacher
Yokayo Elementary
Standard public school
414 students 23:1 students per teacher
Frank Zeek Elementary
Standard public school
391 students 20.6:1 students per teacher
Nokomis Elementary
Standard public school
342 students 21.4:1 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 (~245 students)
Similar student-teacher ratio (~24.5:1)
Next steps
Verify locally before acting on River Oak Charter's federal record.
- Compare River Oak Charter against another school. Compare schools
- River Oak 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 River Oak Charter
How many students attend River Oak Charter?
River Oak Charter has 245 students enrolled. It is an elementary school in Ukiah, CA.
What is the student-teacher ratio at River Oak Charter?
The student-teacher ratio at River Oak Charter is 24.5:1, which is 14% higher than the California average of 21.5:1 and 56% higher than the national average of 15.7:1.
What percentage of students receive free lunch at River Oak Charter?
38.1% of students at River Oak Charter are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of River Oak Charter?
The largest demographic group at River Oak Charter is White at 59.4% of enrollment, in Ukiah, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.0/100.
What is the Resource Investment Index for River Oak Charter?
River Oak Charter has a Resource Investment Index of 30/100 (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 Oak Charter rank among elementary schools in Ukiah?
By Resource Investment Index, River Oak Charter ranks #2 of 8 elementary schools in Ukiah, 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 Ukiah on the city page.
Is River Oak Charter a good school?
River Oak Charter earns 30/100 on the Resource Investment Index, with class sizes larger than 76% of 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 Oak Charter District?
None; River Oak Charter District is a single-school charter district, and River Oak 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.