Enrollment
169
Wisconsin · 2024-25 NCES data
Other / mixed grade configuration · Rio, WI
Rio Elementary
Federal NCES profile for Rio Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.
2024-25 NCES dataOther / mixed grade configurationNCES 551299001712
👥 S:T ratio 55
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rio Elementary earns 21/100 on the Resource Investment Index, even as it posts class sizes smaller than 77% of Wisconsin schools.
- 21
- Resource Index · Lower
- 11.3:1
- small classes for Wisconsin
- 31.2%
- free-lunch eligible
- 169
- students enrolled
Rio Elementary has class sizes smaller than 77% of Wisconsin schools. Computed live against every Wisconsin school reporting to NCES.
School address
District: Rio Community School District · Wisconsin
NCES ID 551299001712 Verify on NCES CCD record →
Teachers (FTE)
15.0
Federal CCD staff survey
Students per teacher
11.3:1
vs 14.4:1 Wisconsin avg
-22% vs state
Free-lunch eligible
31.2%
vs 38.5% Wisconsin avg
-19% vs state
Student-teacher ratio in context
How Rio Elementary compares with Wisconsin and U.S. medians
What stands out at Rio Elementary
Rio Elementary is a mid-sized combined-grade school in Rio, Wisconsin, enrolling 169 students.
Class sizes run a bit leaner than typical: 11.3:1 puts it in the smaller third of Wisconsin schools by student-teacher ratio.
Its free-meal eligibility rate of 31.2% lands close to the Wisconsin typical range, neither a high- nor low-need campus by this measure.
Enrollment of 169 puts it in the smaller third of Wisconsin schools by headcount.
Its Resource Investment Index trails 96% of the 2,202 Wisconsin schools with a score on record, one of the lower results on this measure.
Among 282 similarly sized, similarly resourced-need Wisconsin schools statewide, it ranks #270, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (94% of enrollment) (diversity index 11/100).
Counselor access is stretched at roughly 845 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 41.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Rio's public schools, it stands alongside Rio Middle/High (183 students): Rio Elementary is smaller than that campus by headcount and runs heavier classes (11.3:1 vs 9.2:1).
Its district, Rio Community School District, also runs Rio Middle/High (183 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 Rio Elementary compares
Rio Elementary on the metrics families compare, against Wisconsin and U.S. means.
| Metric | This school | vs Wisconsin | Wisconsin avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.3:1 | ▼ 22% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 31.2% | ▼ 19% | 38.5% | 51.7% |
| Enrollment | 169 | top 74% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.3:1
Leaner classes than 81% of US schools, among the more generously staffed nationally.
169
Bigger than 16% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
31.2%
free-lunch eligible
- 19% below the Wisconsin average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.3:1
students per teacher
- 22% below state mean
Top 23% in Wisconsin - lower ratio than 77% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
41.4%
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
$16,093
per pupil, district-wide
- above Wisconsin avg of $14,919
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.2 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 1 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 1.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 94.1%
Hispanic or Latino 4.1%
African American 0.6%
Asian 0.6%
Two or More 0.6%
Largest group: White at 94.1% of enrollment.
Student-body diversity index 11.3/100
Simpson diversity index - at 11.3, Rio Elementary is less mixed than the Wisconsin school average of 35.7.
Programs
Funding & spending
District-wide per-pupil expenditure for Rio Community School District, which includes Rio Elementary.
$16,093
Per student
+8%
vs Wisconsin
Avg $14,919
-3%
vs U.S.
Avg $16,593
Revenue mix
Local 48.1%
State 42.1%
Federal 9.8%
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 Rio Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Rio Middle/High | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Rio Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 183
- Students per teacher
- 9.2:1
- Resource Index
- 43/100
Similar other schools in Rio
1 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Wisconsin, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~169 students)
Similar student-teacher ratio (~11.3:1)
Next steps
Verify locally before acting on Rio Elementary's federal record.
- Compare Rio Elementary against another school. Compare schools
- Rio Community School 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 Rio Elementary
How many students attend Rio Elementary?
Rio Elementary has 169 students enrolled. It is a public school in Rio, WI.
What is the student-teacher ratio at Rio Elementary?
The student-teacher ratio at Rio Elementary is 11.3:1, which is 22% lower than the Wisconsin average of 14.4:1 and 28% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Rio Elementary?
31.2% of students at Rio Elementary are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of Rio Elementary?
The largest demographic group at Rio Elementary is White at 94.1% of enrollment, in Rio, WI.
What is the Resource Investment Index for Rio Elementary?
Rio Elementary has a Resource Investment Index of 21/100 (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).
Is Rio Elementary a good school?
Rio Elementary earns 21/100 on the Resource Investment Index, even as it posts class sizes smaller than 77% of Wisconsin 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 Rio Community School District?
Besides Rio Elementary, Rio Community School District also operates Rio Middle/High (183 students). See the Rio Community School District 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.