Enrollment
169
California · 2024-25 NCES data
Elementary school (grades K-5) · Waterford, CA
Roberts Ferry Charter School Academy
Federal NCES profile for Roberts Ferry Charter School Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063321012712Charter school
👥 S:T ratio 4
🌟 Gifted program 30
🎓 Counselors 16
📋 Attendance 94
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Roberts Ferry Charter School Academy earns 36/100 on the Resource Investment Index, with class sizes larger than 72% of California schools.
- #1 of 4
- elementary schools in Waterford · Resource Index
- 36
- Resource Index · Typical
- 24.1:1
- large classes for California
- 41.5%
- free-lunch eligible
Roberts Ferry Charter School Academy has class sizes larger than 72% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Roberts Ferry Charter School Academy ranks #1 of 4 elementary schools in Waterford, CA.
School address
District: Roberts Ferry Union Elementary · California
NCES ID 063321012712 Verify on NCES CCD record →
Teachers (FTE)
7.0
Federal CCD staff survey
Students per teacher
24.1:1
vs 21.5:1 California avg
+12% vs state
Free-lunch eligible
41.5%
vs 55.5% California avg
-25% vs state
Student-teacher ratio in context
How Roberts Ferry Charter School Academy compares with California and U.S. medians
What stands out at Roberts Ferry Charter School Academy
Roberts Ferry Charter School Academy is a small charter elementary school in Waterford, California, enrolling 169 students.
Class loads run somewhat heavier than typical: 24.1:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 41.5% of students eligible for free meals.
Enrollment of 169 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 328 statewide peers matched on enrollment and economic need, it ranks mid-pack at #137.
Its student body is led by White (50%) and Hispanic or Latino (41%) (diversity index 57/100).
Counselor access is stretched at roughly 423 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 2.4% of students were chronically absent, below the typical post-pandemic national figure.
Among Waterford's elementary schools, it stands alongside Richard M. Moon Primary (510 students): Roberts Ferry Charter School Academy is smaller than that campus by headcount and runs heavier classes (24.1:1 vs 23.2:1).
Its district, Roberts Ferry Union Elementary, also runs Roberts Ferry Union Elementary (30 students).
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 Roberts Ferry Charter School Academy compares
Roberts Ferry Charter School Academy on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 24.1:1 | ▲ 12% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 41.5% | ▼ 25% | 55.5% | 51.7% |
| Enrollment | 169 | top 85% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.1:1
Leaner classes than 6% of US schools, heavier class loads than most.
169
Bigger than 16% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
41.5%
free-lunch eligible
- 25% 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
24.1:1
students per teacher
- 12% above state mean
Top 72% in California - lower ratio than 28% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
2.4%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$15,245
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.4 FTE
Student-support staffing from the Civil Rights Data Collection.
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 50.3%
Hispanic or Latino 40.8%
Two or More 7.7%
African American 1.2%
Largest group: White at 50.3% of enrollment.
Student-body diversity index 57.4/100
Simpson diversity index - at 57.4, Roberts Ferry Charter School Academy is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Roberts Ferry Union Elementary, which includes Roberts Ferry Charter School Academy.
$15,245
Per student
-8%
vs California
Avg $16,509
-8%
vs U.S.
Avg $16,593
Revenue mix
Local 26.1%
State 68.6%
Federal 5.3%
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.
How Roberts Ferry Charter School Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Roberts Ferry Union Elementary | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Roberts Ferry Charter School Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 30
- Students per teacher
- 30:1
- Resource Index
- 29/100
Similar elementary schools in Waterford
3 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.
Similar enrollment (~169 students)
Similar student-teacher ratio (~24.1:1)
Next steps
Verify locally before acting on Roberts Ferry Charter School Academy's federal record.
- Compare Roberts Ferry Charter School Academy against another school. Compare schools
- Roberts Ferry Union Elementary'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 Roberts Ferry Charter School Academy
How many students attend Roberts Ferry Charter School Academy?
Roberts Ferry Charter School Academy has 169 students enrolled. It is an elementary school in Waterford, CA.
What is the student-teacher ratio at Roberts Ferry Charter School Academy?
The student-teacher ratio at Roberts Ferry Charter School Academy is 24.1:1, which is 12% higher than the California average of 21.5:1 and 54% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Roberts Ferry Charter School Academy?
41.5% of students at Roberts Ferry Charter School Academy are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Roberts Ferry Charter School Academy?
The largest demographic group at Roberts Ferry Charter School Academy is White at 50.3% of enrollment, in Waterford, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.4/100.
What is the Resource Investment Index for Roberts Ferry Charter School Academy?
Roberts Ferry Charter School Academy has a Resource Investment Index of 36/100 (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 Roberts Ferry Charter School Academy rank among elementary schools in Waterford?
By Resource Investment Index, Roberts Ferry Charter School Academy ranks #1 of 4 elementary schools in Waterford, 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 Waterford on the city page.
Is Roberts Ferry Charter School Academy a good school?
Roberts Ferry Charter School Academy earns 36/100 on the Resource Investment Index, with class sizes larger than 72% 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 Roberts Ferry Union Elementary?
Besides Roberts Ferry Charter School Academy, Roberts Ferry Union Elementary also operates Roberts Ferry Union Elementary (30 students). See the Roberts Ferry Union Elementary district page for the complete list.
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.