Enrollment
533
Wisconsin · 2024-25 NCES data
Other / mixed grade configuration · Elm Grove, WI
Tonawanda Elementary
Federal NCES profile for Tonawanda Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 65/100.
2024-25 NCES dataOther / mixed grade configurationNCES 550177000227
👥 S:T ratio 35
🌟 Gifted program 70
📋 Attendance 90
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Tonawanda Elementary earns 65/100 on the Resource Investment Index, with class sizes larger than 82% of Wisconsin schools.
- 65
- Resource Index · Higher
- 16.2:1
- large classes for Wisconsin
- 7.2%
- free-lunch eligible
- 533
- students enrolled
Tonawanda Elementary has class sizes larger than 82% of Wisconsin schools. Computed live against every Wisconsin school reporting to NCES.
School address
District: Elmbrook School District · Wisconsin
NCES ID 550177000227 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
16.2:1
vs 14.4:1 Wisconsin avg
+12% vs state
Free-lunch eligible
7.2%
vs 38.5% Wisconsin avg
-81% vs state
Student-teacher ratio in context
How Tonawanda Elementary compares with Wisconsin and U.S. medians
What stands out at Tonawanda Elementary
Tonawanda Elementary is a lower-poverty, mid-sized combined-grade school in Elm Grove, Wisconsin, enrolling 533 students.
Class loads run somewhat heavier than typical: 16.2:1 puts it in the larger third of Wisconsin schools by student-teacher ratio.
Comparatively few students face economic hardship here, 7.2% free-meal eligibility runs 81% below the Wisconsin average.
Enrollment of 533 puts it in the larger third of Wisconsin schools by headcount.
Its Resource Investment Index outscores 97% of the 2,202 Wisconsin schools with a score on record, a top-tier result on this measure.
Among 237 similarly sized, similarly resourced-need Wisconsin schools statewide, it ranks #8, a top-tier result once campus size and economic need are matched.
Its student body is predominantly White (81% of enrollment) (diversity index 33/100).
Attendance holds up well here: only 3.9% of students were chronically absent, below the typical post-pandemic national figure.
Elmbrook School District also operates Brookfield East High (1,374 students) and Brookfield Central High (1,215 students) alongside Tonawanda 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 Tonawanda Elementary compares
Tonawanda 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 | 16.2:1 | ▲ 12% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 7.2% | ▼ 81% | 38.5% | 51.7% |
| Enrollment | 533 | top 19% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.2:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
533
Bigger than 66% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
7.2%
free-lunch eligible
- 81% below the Wisconsin average of 38.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.2:1
students per teacher
- 12% above state mean
Top 82% in Wisconsin - lower ratio than 18% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
3.9%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$13,701
per pupil, district-wide
- below Wisconsin avg of $14,919
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
5
in-school suspensions + 0 out-of-school
Suspension rate: 0.9 per 100 students. Combined in-school and out-of-school rate: 0.9 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 81.1%
Hispanic or Latino 6.0%
Two or More 6.0%
Asian 4.5%
African American 2.4%
Largest group: White at 81.1% of enrollment.
Student-body diversity index 33.2/100
Simpson diversity index - at 33.2, Tonawanda Elementary is less mixed than the Wisconsin school average of 35.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Elmbrook School District, which includes Tonawanda Elementary.
$13,701
Per student
-8%
vs Wisconsin
Avg $14,919
-17%
vs U.S.
Avg $16,593
Revenue mix
Local 74.8%
State 17.6%
Federal 7.6%
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 Tonawanda Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Brookfield East High | Larger | Similar economic need | Similar S:T ratio |
| Brookfield Central High | Larger | Similar economic need | Similar S:T ratio |
| Burleigh Elementary | Larger | Similar economic need | Similar S:T ratio |
| Pilgrim Park Middle | Larger | Similar economic need | Lower S:T ratio |
| Wisconsin Hills Middle | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Tonawanda Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,374
- Students per teacher
- 17.2:1
- Resource Index
- 51/100
- Enrollment
- 1,215
- Students per teacher
- 16.4:1
- Resource Index
- 56/100
- Enrollment
- 927
- Students per teacher
- 16.9:1
- Resource Index
- 64/100
- Enrollment
- 898
- Students per teacher
- 14.7:1
- Resource Index
- 59/100
- Enrollment
- 812
- Students per teacher
- 13.8:1
- Resource Index
- 61/100
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 (~533 students)
Similar student-teacher ratio (~16.2:1)
Next steps
Verify locally before acting on Tonawanda Elementary's federal record.
- Compare Tonawanda Elementary against another school. Compare schools
- Elmbrook 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 Tonawanda Elementary
How many students attend Tonawanda Elementary?
Tonawanda Elementary has 533 students enrolled. It is a public school in Elm Grove, WI.
What is the student-teacher ratio at Tonawanda Elementary?
The student-teacher ratio at Tonawanda Elementary is 16.2:1, which is 12% higher than the Wisconsin average of 14.4:1 and 3% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Tonawanda Elementary?
7.2% of students at Tonawanda Elementary are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of Tonawanda Elementary?
The largest demographic group at Tonawanda Elementary is White at 81.1% of enrollment, in Elm Grove, WI.
What is the Resource Investment Index for Tonawanda Elementary?
Tonawanda Elementary has a Resource Investment Index of 65/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Tonawanda Elementary a good school?
Tonawanda Elementary earns 65/100 on the Resource Investment Index, with class sizes larger than 82% 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 Elmbrook School District?
Besides Tonawanda Elementary, Elmbrook School District also operates Brookfield East High (1,374 students), Brookfield Central High (1,215 students), and Burleigh Elementary (927 students). See the Elmbrook 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.