Enrollment
30
California · 2024-25 NCES data
Elementary school (grades K-5) · Waterford, CA
Roberts Ferry Union Elementary
Federal NCES profile for Roberts Ferry Union Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063321005164
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 85
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Roberts Ferry Union Elementary earns 29/100 on the Resource Investment Index, with class sizes larger than 96% of California schools. It is also one of the smallest schools in California.
- #2 of 4
- elementary schools in Waterford · Resource Index
- 29
- Resource Index · Lower
- 30:1
- large classes for California
- 37.0%
- free-lunch eligible
Roberts Ferry Union Elementary has class sizes larger than 96% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Roberts Ferry Union Elementary ranks #2 of 4 elementary schools in Waterford, CA.
School address
District: Roberts Ferry Union Elementary · California
NCES ID 063321005164 Verify on NCES CCD record →
Teachers (FTE)
1.0
Federal CCD staff survey
Students per teacher
30:1
vs 21.5:1 California avg
+40% vs state
Free-lunch eligible
37.0%
vs 55.5% California avg
-33% vs state
Student-teacher ratio in context
How Roberts Ferry Union Elementary compares with California and U.S. medians
What stands out at Roberts Ferry Union Elementary
Roberts Ferry Union Elementary is a small elementary school in Waterford, California, enrolling 30 students.
Class loads run heavy: 30:1 is larger than about 96% of California schools and 40% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 37.0% of students eligible for free meals.
This is a small campus: fewer students than 96% of California schools, with 30 enrolled.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Among 67 similarly sized, similarly resourced-need California schools statewide, it ranks #52, in the lower tier once campus size and economic need are matched.
Its student body is led by White (70%) and Hispanic or Latino (20%) (diversity index 46/100).
Counselor coverage is strong, about 75 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 50.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Waterford's elementary schools, it stands alongside Richard M. Moon Primary (510 students): Roberts Ferry Union Elementary is smaller than that campus by headcount and runs heavier classes (30:1 vs 23.2:1).
Its district, Roberts Ferry Union Elementary, also runs Roberts Ferry Charter School Academy (169 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 Union Elementary compares
Roberts Ferry Union Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 30:1 | ▲ 40% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 37.0% | ▼ 33% | 55.5% | 51.7% |
| Enrollment | 30 | top 96% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
30:1
Leaner classes than 2% of US schools, heavier class loads than most.
30
Bigger than 4% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
37.0%
free-lunch eligible
- 33% 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
30:1
students per teacher
- 40% above state mean
Top 96% in California - lower ratio than 4% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
50.0%
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
$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 70.0%
Hispanic or Latino 20.0%
Two or More 10.0%
Largest group: White at 70.0% of enrollment.
Student-body diversity index 46.0/100
Simpson diversity index - at 46.0, Roberts Ferry Union Elementary is about as mixed as the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Roberts Ferry Union Elementary, which includes Roberts Ferry Union Elementary.
$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 Union Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Roberts Ferry Charter School Academy | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Roberts Ferry Union Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 169
- Students per teacher
- 24.1:1
- Resource Index
- 36/100
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 (~30 students)
Similar student-teacher ratio (~30:1)
Next steps
Verify locally before acting on Roberts Ferry Union Elementary's federal record.
- Compare Roberts Ferry Union Elementary 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 Union Elementary
How many students attend Roberts Ferry Union Elementary?
Roberts Ferry Union Elementary has 30 students enrolled. It is an elementary school in Waterford, CA.
What is the student-teacher ratio at Roberts Ferry Union Elementary?
The student-teacher ratio at Roberts Ferry Union Elementary is 30:1, which is 40% higher than the California average of 21.5:1 and 91% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Roberts Ferry Union Elementary?
37.0% of students at Roberts Ferry Union Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Roberts Ferry Union Elementary?
The largest demographic group at Roberts Ferry Union Elementary is White at 70.0% of enrollment, in Waterford, CA.
What is the Resource Investment Index for Roberts Ferry Union Elementary?
Roberts Ferry Union Elementary has a Resource Investment Index of 29/100 (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 Roberts Ferry Union Elementary rank among elementary schools in Waterford?
By Resource Investment Index, Roberts Ferry Union Elementary ranks #2 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 Union Elementary a good school?
Roberts Ferry Union Elementary earns 29/100 on the Resource Investment Index, with class sizes larger than 96% of California schools. It is also one of the smallest schools in California. 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 Union Elementary, Roberts Ferry Union Elementary also operates Roberts Ferry Charter School Academy (169 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.