Enrollment
1,476
Illinois · 2024-25 NCES data
High school (grades 9-12) · Champaign, IL
Federal NCES profile for Centennial High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
The verdict
Centennial High School earns 39/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois.
Centennial High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Centennial High School ranks #14 of 17 public schools in Champaign, IL.
NCES ID 170942000545 Verify on NCES CCD record →
Enrollment
1,476
Illinois · 2024-25 NCES data
Teachers (FTE)
104.0
Federal CCD staff survey
Students per teacher
13.9:1
vs 14:1 Illinois avg
-1% vs state
How Centennial High 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.
Centennial High School is a large high school in Champaign, Illinois, enrolling 1,476 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.
By headcount it is one of the larger campuses in Illinois, bigger than 96% of state schools at 1,476 students.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by African American (44%) and White (26%), more mixed than most schools in the state (diversity index 71/100).
On the academic-pipeline side it reports 16 Advanced Placement courses.
Counselor coverage runs a bit thin, about 295 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 51.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 29 expulsions at this campus for 2021-22.
Among Champaign's high schools, it stands alongside Central High School (1,666 students): Centennial High School is smaller than that campus by headcount and runs leaner classes (13.9:1 vs 14.8:1).
Champaign Cusd 4 also operates Central High School (1,666 students) and Jefferson Middle School (711 students) alongside Centennial 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
Centennial 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 | 13.9:1 | ▼ 1% | 14:1 | 15.7:1 |
| Enrollment | 1,476 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Largest group: African American at 44.1% of enrollment.
Simpson diversity index - at 70.6, Centennial High School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Champaign Cusd 4, which includes Centennial High 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 |
|---|---|---|---|
| Central High School | Similar size | No free-lunch data | Similar S:T ratio |
| Jefferson Middle School | Smaller | No free-lunch data | Similar S:T ratio |
| International Prep Academy | Smaller | No free-lunch data | Lower S:T ratio |
| Franklin Middle School | Smaller | No free-lunch data | Similar S:T ratio |
| Edison Middle School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Centennial High School's own figures; each column derives from NCES Common Core of Data.
1 comparable high schools (grades 9-12) serving the same city.
Next steps
Verify locally before acting on Centennial High 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.
Centennial High School has 1,476 students enrolled. It is a high school in Champaign, IL.
The student-teacher ratio at Centennial High 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 Centennial High School is African American at 44.1% of enrollment, in Champaign, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.6/100.
Centennial High School has a Resource Investment Index of 39/100 (typical 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).
By Resource Investment Index, Centennial High School ranks #14 of 17 public schools in Champaign, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Champaign on the city page.
Centennial High School earns 39/100 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.
Besides Centennial High School, Champaign Cusd 4 also operates Central High School (1,666 students), Jefferson Middle School (711 students), and International Prep Academy (681 students). See the Champaign Cusd 4 district page for the complete list.