Enrollment
265
Wisconsin · 2024-25 NCES data
Other / mixed grade configuration · Plainfield, WI
Tri-County Elementary
Federal NCES profile for Tri-County Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataOther / mixed grade configurationNCES 551182001550
👥 S:T ratio 52
🌟 Gifted program 30
🎓 Counselors 29
📋 Attendance 59
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Tri-County Elementary earns 42/100 on the Resource Investment Index, with class sizes near the Wisconsin median.
- #1 of 3
- public schools in Plainfield · Resource Index
- 42
- Resource Index · Typical
- 12:1
- students per teacher
- 53.6%
- free-lunch eligible
Tri-County Elementary has class sizes near the Wisconsin median. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, Tri-County Elementary ranks #1 of 3 public schools in Plainfield, WI.
School address
District: Tri-County Area School District · Wisconsin
NCES ID 551182001550 Verify on NCES CCD record →
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
12:1
vs 14.4:1 Wisconsin avg
-17% vs state
Free-lunch eligible
53.6%
vs 38.5% Wisconsin avg
+39% vs state
Student-teacher ratio in context
How Tri-County Elementary compares with Wisconsin and U.S. medians
What stands out at Tri-County Elementary
Tri-County Elementary is a higher-need, mid-sized combined-grade school in Plainfield, Wisconsin, enrolling 265 students.
Class sizes run a bit leaner than typical: 12:1 puts it in the smaller third of Wisconsin schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 53.6% of students eligible for free meals.
With 265 students, its enrollment sits close to the Wisconsin median campus size.
Its Resource Investment Index sits near the middle of the pack among 2,202 scored Wisconsin schools.
Against 252 statewide peers matched on enrollment and economic need, it ranks mid-pack at #162.
Its student body is led by White (67%) and Hispanic or Latino (30%) (diversity index 46/100).
Counselor availability sits well past the ASCA benchmark, roughly 353 students sharing each counselor, though short of the most stretched campuses.
16.6% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Its district draws 17.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Tri-County Area School District also operates Tri-County High (180 students) and Tri-County Middle (134 students) alongside Tri-County Elementary.
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 Tri-County Elementary compares
Tri-County 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 | 12:1 | ▼ 17% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 53.6% | ▲ 39% | 38.5% | 51.7% |
| Enrollment | 265 | top 58% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12:1
Leaner classes than 75% of US schools, among the more generously staffed nationally.
265
Bigger than 27% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
53.6%
free-lunch eligible
- 39% above the Wisconsin average of 38.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
12:1
students per teacher
- 17% below state mean
Top 33% in Wisconsin - lower ratio than 67% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
16.6%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$15,993
per pupil, district-wide
- above Wisconsin avg of $14,919
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.8 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 67.2%
Hispanic or Latino 30.2%
Asian 1.1%
Native Hawaiian / Pacific Islander 1.1%
African American 0.4%
Largest group: White at 67.2% of enrollment.
Student-body diversity index 45.7/100
Simpson diversity index - at 45.7, Tri-County Elementary is more mixed than the Wisconsin school average of 35.7.
Programs
Funding & spending
District-wide per-pupil expenditure for Tri-County Area School District, which includes Tri-County Elementary.
$15,993
Per student
+7%
vs Wisconsin
Avg $14,919
-4%
vs U.S.
Avg $16,593
Revenue mix
Local 31.9%
State 50.3%
Federal 17.8%
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 Tri-County Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Tri-County High | Smaller | Similar economic need | Similar S:T ratio |
| Tri-County Middle | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Tri-County Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 180
- Students per teacher
- 11.3:1
- Resource Index
- 38/100
- Enrollment
- 134
- Students per teacher
- 13.4:1
- Resource Index
- 33/100
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 (~265 students)
Similar student-teacher ratio (~12:1)
Next steps
Verify locally before acting on Tri-County Elementary's federal record.
- Compare Tri-County Elementary against another school. Compare schools
- Tri-County Area 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 Tri-County Elementary
How many students attend Tri-County Elementary?
Tri-County Elementary has 265 students enrolled. It is a public school in Plainfield, WI.
What is the student-teacher ratio at Tri-County Elementary?
The student-teacher ratio at Tri-County Elementary is 12:1, which is 17% lower than the Wisconsin average of 14.4:1 and 24% 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 Tri-County Elementary?
53.6% of students at Tri-County Elementary are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of Tri-County Elementary?
The largest demographic group at Tri-County Elementary is White at 67.2% of enrollment, in Plainfield, WI.
What is the Resource Investment Index for Tri-County Elementary?
Tri-County Elementary has a Resource Investment Index of 42/100 (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 Tri-County Elementary rank among public schools in Plainfield?
By Resource Investment Index, Tri-County Elementary ranks #1 of 3 public schools in Plainfield, WI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Plainfield on the city page.
Is Tri-County Elementary a good school?
Tri-County Elementary earns 42/100 on the Resource Investment Index, with class sizes near the Wisconsin median. 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 Tri-County Area School District?
Besides Tri-County Elementary, Tri-County Area School District also operates Tri-County High (180 students) and Tri-County Middle (134 students). See the Tri-County Area 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.