Enrollment
373
Wisconsin · 2024-25 NCES data
Other / mixed grade configuration · Onalaska, WI
Pertzsch Elementary
Federal NCES profile for Pertzsch Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataOther / mixed grade configurationNCES 551101001449
👥 S:T ratio 47
🌟 Gifted program 30
🎓 Counselors 25
📋 Attendance 49
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Pertzsch Elementary earns 38/100 on the Resource Investment Index, with class sizes near the Wisconsin median.
- #1 of 4
- schools in Onalaska · Resource Index
- 38
- Resource Index · Typical
- 13.3:1
- students per teacher
- 36.6%
- free-lunch eligible
Pertzsch Elementary has class sizes near the Wisconsin median. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, Pertzsch Elementary ranks #1 of 4 schools in Onalaska, WI.
School address
District: Onalaska School District · Wisconsin
NCES ID 551101001449 Verify on NCES CCD record →
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
13.3:1
vs 14.4:1 Wisconsin avg
-8% vs state
Free-lunch eligible
36.6%
vs 38.5% Wisconsin avg
-5% vs state
Student-teacher ratio in context
How Pertzsch Elementary compares with Wisconsin and U.S. medians
What stands out at Pertzsch Elementary
Pertzsch Elementary is a mid-sized combined-grade school in Onalaska, Wisconsin, enrolling 373 students.
At 13.3:1, its student-teacher ratio sits close to the Wisconsin median, within a few percentage points of the 14.4:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 36.6% lands close to the Wisconsin typical range, neither a high- nor low-need campus by this measure.
With 373 students, its enrollment sits close to the Wisconsin median campus size.
Its Resource Investment Index lands in the lower third of 2,202 scored Wisconsin schools.
Among 510 similarly sized, similarly resourced-need Wisconsin schools statewide, it ranks #379, in the lower tier once campus size and economic need are matched.
Its student body is led by White (67%) and Asian (13%) (diversity index 52/100).
Counselor availability sits well past the ASCA benchmark, roughly 373 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 20.4% of students chronically absent per the 2021-22 civil-rights collection.
Among Onalaska's public schools, it stands alongside Eagle Bluff Elementary (471 students): Pertzsch Elementary is smaller than that campus by headcount and runs leaner classes (13.3:1 vs 13.9:1).
Onalaska School District also operates Onalaska High (925 students) and Onalaska Middle (620 students) alongside Pertzsch 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 Pertzsch Elementary compares
Pertzsch 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 | 13.3:1 | ▼ 8% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 36.6% | ▼ 5% | 38.5% | 51.7% |
| Enrollment | 373 | top 37% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.3:1
Leaner classes than 64% of US schools, a middle-of-the-pack class size.
373
Bigger than 43% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
36.6%
free-lunch eligible
- 5% 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
13.3:1
students per teacher
- 8% below state mean
Top 51% in Wisconsin - lower ratio than 49% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
20.4%
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
$13,297
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
Counselors1.0 FTE
Per 373 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 2 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 1.1 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 67.0%
Asian 12.9%
Two or More 11.5%
Hispanic or Latino 6.4%
African American 1.3%
American Indian / Alaska Native 0.8%
Largest group: White at 67.0% of enrollment.
Student-body diversity index 51.7/100
Simpson diversity index - at 51.7, Pertzsch Elementary is more mixed than the Wisconsin school average of 35.7.
Programs
Funding & spending
District-wide per-pupil expenditure for Onalaska School District, which includes Pertzsch Elementary.
$13,297
Per student
-11%
vs Wisconsin
Avg $14,919
-20%
vs U.S.
Avg $16,593
Revenue mix
Local 51.1%
State 40.3%
Federal 8.6%
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 Pertzsch Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Onalaska High | Larger | Lower economic need | Similar S:T ratio |
| Onalaska Middle | Larger | Lower economic need | Similar S:T ratio |
| Eagle Bluff Elementary | Larger | Lower economic need | Similar S:T ratio |
| Northern Hills Elementary | Similar size | Similar economic need | Similar S:T ratio |
| Onalaska Prekindergarten Partner School | Smaller | Lower economic need | Higher S:T ratio |
Comparisons are relative to Pertzsch Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 925
- Students per teacher
- 13.8:1
- Resource Index
- 50/100
- Enrollment
- 620
- Students per teacher
- 13.2:1
- Resource Index
- 49/100
- Enrollment
- 471
- Students per teacher
- 13.9:1
- Resource Index
- 35/100
- Enrollment
- 463
- Students per teacher
- 12.2:1
- Resource Index
- 35/100
- Enrollment
- 68
- Students per teacher
- 34:1
- Resource Index
- 15/100
Similar other schools in Onalaska
3 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 (~373 students)
Similar student-teacher ratio (~13.3:1)
Next steps
Verify locally before acting on Pertzsch Elementary's federal record.
- Compare Pertzsch Elementary against another school. Compare schools
- Onalaska 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 Pertzsch Elementary
How many students attend Pertzsch Elementary?
Pertzsch Elementary has 373 students enrolled. It is a public school in Onalaska, WI.
What is the student-teacher ratio at Pertzsch Elementary?
The student-teacher ratio at Pertzsch Elementary is 13.3:1, which is 8% lower than the Wisconsin average of 14.4:1 and 15% 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 Pertzsch Elementary?
36.6% of students at Pertzsch Elementary are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of Pertzsch Elementary?
The largest demographic group at Pertzsch Elementary is White at 67.0% of enrollment, in Onalaska, WI. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.7/100.
What is the Resource Investment Index for Pertzsch Elementary?
Pertzsch Elementary has a Resource Investment Index of 38/100 (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 Pertzsch Elementary rank among schools in Onalaska?
By Resource Investment Index, Pertzsch Elementary ranks #1 of 4 schools in Onalaska, WI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Onalaska on the city page.
Is Pertzsch Elementary a good school?
Pertzsch Elementary earns 38/100 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 Onalaska School District?
Besides Pertzsch Elementary, Onalaska School District also operates Onalaska High (925 students), Onalaska Middle (620 students), and Eagle Bluff Elementary (471 students). See the Onalaska 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.