Enrollment
415
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Naperville, IL
Federal NCES profile for Kingsley Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
The verdict
Kingsley Elementary School earns 49/100 on the Resource Investment Index, with class sizes near the Illinois median.
Kingsley Elementary School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Kingsley Elementary School ranks #14 of 27 elementary schools in Naperville, IL.
NCES ID 172771005516 Verify on NCES CCD record →
Enrollment
415
Illinois · 2024-25 NCES data
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
13:1
vs 14:1 Illinois avg
-7% vs state
How Kingsley Elementary School compares with Illinois and U.S. medians
At or below state median
13:1 - 1.0 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Kingsley Elementary School is neither an extreme outlier in enrollment nor in student-teacher ratio among Illinois schools. Its profile therefore turns on the other dimensions rather than on scale alone: economic need, counselor coverage, program access, attendance, and district finance. This middle placement is useful because it prevents the campus from being mislabeled as unusually large, small, crowded, or teacher-dense when the federal comparison does not support that claim.
Kingsley Elementary School's available federal support indicators do not reveal an extreme in advanced-course access, specialist staffing, chronic absence, or IDEA enrollment. The most responsible reading is therefore component by component rather than a sweeping verdict: current counseling availability, health support, program schedules, and attendance policy still warrant direct confirmation. Missing or middle-range federal fields are not evidence that services are either strong or weak.
Kingsley Elementary School is a mid-sized elementary school in Naperville, Illinois, enrolling 415 students.
At 13:1, 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.
With 415 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (65%) and Asian (18%) (diversity index 54/100).
12.0% 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): Kingsley Elementary School is smaller than that campus by headcount and runs leaner classes (13:1 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 Kingsley Elementary 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
Kingsley Elementary 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 | 13:1 | ▼ 7% | 14:1 | 15.7:1 |
| Enrollment | 415 | top 43% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Largest group: White at 64.6% of enrollment.
Simpson diversity index - at 53.7, Kingsley Elementary School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Naperville Cusd 203, which includes Kingsley Elementary 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 | Higher 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 Kingsley Elementary 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 Kingsley Elementary 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.
Kingsley Elementary School has 415 students enrolled. It is an elementary school in Naperville, IL.
The student-teacher ratio at Kingsley Elementary School is 13:1, which is 7% lower than the Illinois average of 14:1 and 17% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Kingsley Elementary School is White at 64.6% of enrollment, in Naperville, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.7/100.
Kingsley Elementary School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Kingsley Elementary School ranks #14 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.
Besides Kingsley Elementary 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 July 2026.
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PlainSchools, “Kingsley Elementary School, Naperville IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of July 2026. https://plainschools.com/schools/kingsley-elementary-school-il-2
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