Enrollment
2,589
Illinois · 2024-25 NCES data
High school (grades 9-12) · Naperville, IL
Naperville Central High School
Federal NCES profile for Naperville Central High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 172771002939
👥 S:T ratio 42
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 53
📋 Attendance 41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Naperville Central High School earns 53/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois.
- #2 of 3
- high schools in Naperville · Resource Index
- 53
- Resource Index · Higher
- 14.4:1
- students per teacher
- 2,589
- students enrolled
Naperville Central High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Naperville Central High School ranks #2 of 3 high schools in Naperville, IL.
School address
District: Naperville Cusd 203 · Illinois
NCES ID 172771002939 Verify on NCES CCD record →
Teachers (FTE)
177.0
Federal CCD staff survey
Students per teacher
14.4:1
vs 14:1 Illinois avg
+3% vs state
Student-teacher ratio in context
How Naperville Central High School compares with Illinois and U.S. medians
What stands out at Naperville Central High School
Naperville Central High School is a large high school in Naperville, Illinois, enrolling 2,589 students.
Class loads run somewhat heavier than typical: 14.4:1 puts it in the larger third of Illinois schools by student-teacher ratio.
By headcount it is one of the larger campuses in Illinois, bigger than 99% of state schools at 2,589 students.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by White (62%) and Asian (18%) (diversity index 57/100).
On the academic-pipeline side it reports 30 Advanced Placement courses.
Counselor coverage is strong, about 235 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 23.6% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Naperville Cusd 203 spends $21,103 per pupil, 24% above the Illinois average, a better-resourced district than most.
Among Naperville's high schools, it stands alongside Neuqua Valley High School (3,018 students): Naperville Central High School is smaller than that campus by headcount and runs leaner classes (14.4:1 vs 14.9:1).
Naperville Cusd 203 also operates Naperville North High School (2,467 students) and Kennedy Junior High School (937 students) alongside Naperville Central High 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
How Naperville Central High School compares
Naperville Central High 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 | 14.4:1 | ▲ 3% | 14:1 | 15.7:1 |
| Enrollment | 2,589 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.4:1
Leaner classes than 55% of US schools, a middle-of-the-pack class size.
2,589
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
14.4:1
students per teacher
- 3% above state mean
Top 62% in Illinois - lower ratio than 38% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
23.6%
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
$21,103
per pupil, district-wide
- above Illinois avg of $17,042
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors11.0 FTE
Per 235 students, the combined health-and-guidance staffing load for this school.
Discipline context
67
in-school suspensions + 50 out-of-school
Suspension rate: 2.6 per 100 students. Combined in-school and out-of-school rate: 4.5 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 2,589 Top 1% in Illinois - larger than 99% of 3,845 state schools
Teachers (FTE) 177.0
Students per teacher 14.4:1 +3% vs state
Free-lunch eligible -
NCES ID 172771002939
Student demographics
White 61.6%
Asian 18.1%
Hispanic or Latino 10.2%
Two or More 5.3%
African American 4.6%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 61.6% of enrollment.
Student-body diversity index 57.2/100
Simpson diversity index - at 57.2, Naperville Central High School is more mixed than the Illinois school average of 38.9.
Programs & staff
AP courses offered 30
Counselors (FTE) 11.0
Students per counselor 235:1
Discipline & special education
Chronically absent 23.6%
In-school suspensions 67
Out-of-school suspensions 50
Funding & spending
District-wide per-pupil expenditure for Naperville Cusd 203, which includes Naperville Central High School.
$21,103
Per student
+24%
vs Illinois
Avg $17,042
+27%
vs U.S.
Avg $16,593
Revenue mix
Local 69.9%
State 25.6%
Federal 4.4%
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 Naperville Central High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Naperville North High School | Similar size | No free-lunch data | Similar S:T ratio |
| Kennedy Junior High School | Smaller | No free-lunch data | Similar S:T ratio |
| Jefferson Jr High School | Smaller | No free-lunch data | Lower S:T ratio |
| Lincoln Jr High School | Smaller | No free-lunch data | Similar S:T ratio |
| Elmwood Elem School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Naperville Central High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,467
- Students per teacher
- 14:1
- Resource Index
- 35/100
- Enrollment
- 937
- Students per teacher
- 14.3:1
- Resource Index
- 54/100
- Enrollment
- 832
- Students per teacher
- 12.6:1
- Resource Index
- 42/100
- Enrollment
- 774
- Students per teacher
- 13.7:1
- Resource Index
- 44/100
- Enrollment
- 726
- Students per teacher
- 15.8:1
- Resource Index
- 41/100
Similar high schools in Naperville
2 comparable high schools (grades 9-12) serving the same city.
Next steps
Verify locally before acting on Naperville Central High School's federal record.
- Compare Naperville Central High School against another school. Compare schools
- Naperville Cusd 203'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 Naperville Central High School
How many students attend Naperville Central High School?
Naperville Central High School has 2,589 students enrolled. It is a high school in Naperville, IL.
What is the student-teacher ratio at Naperville Central High School?
The student-teacher ratio at Naperville Central High School is 14.4:1, which is 3% higher than the Illinois average of 14:1 and 8% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Naperville Central High School?
The largest demographic group at Naperville Central High School is White at 61.6% of enrollment, in Naperville, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.2/100.
What is the Resource Investment Index for Naperville Central High School?
Naperville Central High School has a Resource Investment Index of 53/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Naperville Central High School rank among high schools in Naperville?
By Resource Investment Index, Naperville Central High School ranks #2 of 3 high 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 high schools in Naperville on the city page.
Is Naperville Central High School a good school?
Naperville Central High School earns 53/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois. 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 Naperville Cusd 203?
Besides Naperville Central High School, Naperville Cusd 203 also operates Naperville North High School (2,467 students), Kennedy Junior High School (937 students), and Jefferson Jr High School (832 students). See the Naperville Cusd 203 district page for the complete list.