Enrollment
347
Wisconsin · 2024-25 NCES data
Other / mixed grade configuration · Waukesha, WI
Federal NCES profile for Lowell Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
The verdict
Lowell Elementary earns 52/100 on the Resource Investment Index, with class sizes smaller than 78% of Wisconsin schools. It is also more racially and ethnically mixed than most Wisconsin schools.
Lowell Elementary has class sizes smaller than 78% of Wisconsin schools. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, Lowell Elementary ranks #13 of 19 schools in Waukesha, WI.
NCES ID 551578002017 Verify on NCES CCD record →
Enrollment
347
Wisconsin · 2024-25 NCES data
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
11.2:1
vs 14.4:1 Wisconsin avg
-22% vs state
Free-lunch eligible
43.2%
vs 38.5% Wisconsin avg
+12% vs state
How Lowell Elementary compares with Wisconsin and U.S. medians
Smaller classes than state median
11.2:1 - 3.2 below the Wisconsin state median of 14.4:1, indicating smaller average class loads than typical schools in the state.
Lowell Elementary is a mid-sized combined-grade school in Waukesha, Wisconsin, enrolling 347 students.
Class sizes run a bit leaner than typical: 11.2:1 puts it in the smaller third of Wisconsin schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 43.2% of students eligible for free meals.
With 347 students, its enrollment sits close to the Wisconsin median campus size.
Its Resource Investment Index lands in the upper third of 2,202 scored Wisconsin schools.
Against 431 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #84.
Its student body is led by White (61%) and Hispanic or Latino (23%), more mixed than most schools in the state (diversity index 57/100).
Chronic absenteeism is elevated: 28.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Waukesha's public schools, it stands alongside Eachieve Academy - Wisconsin (639 students): Lowell Elementary is smaller than that campus by headcount and runs leaner classes (11.2:1 vs 23.7:1).
Waukesha School District also operates West High (1,167 students) and North High (911 students) alongside Lowell 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
Lowell 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 | 11.2:1 | ▼ 22% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 43.2% | ▲ 12% | 38.5% | 51.7% |
| Enrollment | 347 | top 41% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 60.5% of enrollment.
Simpson diversity index - at 57.0, Lowell Elementary is more mixed than the Wisconsin school average of 35.7.
District-wide per-pupil expenditure for Waukesha School District, which includes Lowell Elementary.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| West High | Larger | Lower economic need | Higher S:T ratio |
| North High | Larger | Similar economic need | Higher S:T ratio |
| South High | Larger | Similar economic need | Similar S:T ratio |
| Butler Middle | Larger | Similar economic need | Higher S:T ratio |
| Eachieve Academy - Wisconsin | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Lowell Elementary's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) serving the same city.
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.
Next steps
Verify locally before acting on Lowell Elementary's federal record.
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.
Lowell Elementary has 347 students enrolled. It is a public school in Waukesha, WI.
The student-teacher ratio at Lowell Elementary is 11.2:1, which is 22% lower than the Wisconsin average of 14.4:1 and 29% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
43.2% of students at Lowell Elementary are eligible for free lunch, compared to the Wisconsin average of 38.5%.
The largest demographic group at Lowell Elementary is White at 60.5% of enrollment, in Waukesha, WI. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.0/100.
Lowell Elementary has a Resource Investment Index of 52/100 (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).
By Resource Investment Index, Lowell Elementary ranks #13 of 19 schools in Waukesha, WI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Waukesha on the city page.
Lowell Elementary earns 52/100 on the Resource Investment Index, with class sizes smaller than 78% of Wisconsin schools. It is also more racially and ethnically mixed than most 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.
Besides Lowell Elementary, Waukesha School District also operates West High (1,167 students), North High (911 students), and South High (833 students). See the Waukesha School District district page for the complete list.
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.
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PlainSchools, “Lowell Elementary, Waukesha WI.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/lowell-elementary-wi-2
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