Enrollment
515
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Naperville, IL
Federal NCES profile for Prairie Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
The verdict
Prairie Elem School earns 48/100 on the Resource Investment Index, with class sizes near the Illinois median.
Prairie Elem School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Prairie Elem School ranks #15 of 27 elementary schools in Naperville, IL.
NCES ID 172771002941 Verify on NCES CCD record →
Enrollment
515
Illinois · 2024-25 NCES data
Teachers (FTE)
37.0
Federal CCD staff survey
Students per teacher
13.9:1
vs 14:1 Illinois avg
-1% vs state
How Prairie Elem School compares with Illinois and U.S. medians
At or below state median
13.9:1 - 0.1 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Prairie Elem School is a mid-sized elementary school in Naperville, Illinois, enrolling 515 students.
At 13.9:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
Enrollment of 515 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (73%) and Asian (10%) (diversity index 44/100).
12.2% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Naperville Cusd 203 spends $21,103 per pupil, 24% above the Illinois average, a better-resourced district than most.
Among Naperville's elementary schools, it stands alongside Elmwood Elem School (726 students): Prairie Elem School is smaller than that campus by headcount and runs leaner classes (13.9:1 vs 16.1:1).
Naperville Cusd 203 also operates Naperville Central High School (2,589 students) and Naperville North High School (2,467 students) alongside Prairie Elem School.
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
Prairie Elem School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.9:1 | ▼ 1% | 14:1 | 15.7:1 |
| Enrollment | 515 | top 28% | - | - |
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 73.2% of enrollment.
Simpson diversity index - at 44.4, Prairie Elem School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Naperville Cusd 203, which includes Prairie Elem School.
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 |
|---|---|---|---|
| Naperville Central High School | Larger | No free-lunch data | Similar S:T ratio |
| Naperville North High School | Larger | No free-lunch data | Similar S:T ratio |
| Kennedy Junior High School | Larger | No free-lunch data | Similar S:T ratio |
| Jefferson Jr High School | Larger | No free-lunch data | Similar S:T ratio |
| Lincoln Jr High School | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Prairie Elem School's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) serving the same city.
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Prairie Elem School'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.
Prairie Elem School has 515 students enrolled. It is an elementary school in Naperville, IL.
The student-teacher ratio at Prairie Elem School is 13.9:1, which is 1% lower than the Illinois average of 14:1 and 11% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Prairie Elem School is White at 73.2% of enrollment, in Naperville, IL.
Prairie Elem School has a Resource Investment Index of 48/100 (typical 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, Prairie Elem School ranks #15 of 27 elementary schools in Naperville, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Naperville on the city page.
Prairie Elem School earns 48/100 on the Resource Investment Index, with class sizes near the Illinois 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.
Besides Prairie Elem School, Naperville Cusd 203 also operates Naperville Central High School (2,589 students), Naperville North High School (2,467 students), and Kennedy Junior High School (937 students). See the Naperville Cusd 203 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, “Prairie Elem School, Naperville IL.” 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/prairie-elem-school-il
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