- Enrollment
- 1,666
- Students per teacher
- 15.4:1
- Resource Index
- 28/100
High school (grades 9-12) · Champaign, IL
Centennial High School
Federal NCES profile for Centennial High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 170942000545
👥 S:T ratio 43
🌟 Gifted program 30
🎓 Counselors 41
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Centennial High School earns 29/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois.
- #13 of 17
- public schools in Champaign · Resource Index
- 29
- Resource Index · Lower
- 14.2:1
- students per teacher
- 1,476
- students enrolled
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 #13 of 17 public schools in Champaign, IL.
School address
District: Champaign Cusd 4 · Illinois
NCES ID 170942000545 Verify on NCES CCD record →
NCES CCD universe card
School universe 170942000545 · Champaign, IL High · MID · TRAD
1,476 enr · 14.2:1 · RII 29
Nearest enrollment peer: Central High School (1,666 students)
Resource Investment Index #13 of 17 public schools in Champaign. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Centennial High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Central High S
Central High School
1,666 students
- This school
Centennial High School
1,476 students
- Jefferson Midd
Jefferson Middle School
711 students
- International
International Prep Academy
681 students
- Franklin Middl 665
Franklin Middle School
665 students
- Edison Middle 647
Edison Middle School
647 students
What this shows Centennial High School reports 1,476 students on the CCD universe file.
How Centennial High School compares
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 | 14.2:1 | ▲ 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
14.2:1
Leaner classes than 55% of US schools, a middle-of-the-pack class size.
1,476
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
14.2:1
students per teacher
- 1% above state mean
Top 60% in Illinois - lower ratio than 40% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
51.8%
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
$21,009
per pupil, district-wide
- above Illinois avg of $18,196
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors5.0 FTE
Per 295 students, the combined health-and-guidance staffing load for this school.
Discipline context
4
in-school suspensions + 159 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 11.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 29 expulsions.
Student demographics
African American 44.1%
White 26.3%
Hispanic or Latino 12.9%
Two or More 8.8%
Asian 7.7%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: African American at 44.1% of enrollment.
Student-body diversity index 70.6/100
Simpson diversity index - at 70.6, Centennial High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 16
Funding & spending
District-wide per-pupil expenditure for Champaign Cusd 4, which includes Centennial High School.
$21,009
Per student
+15%
vs Illinois
Avg $18,196
+19%
vs U.S.
Avg $17,658
Revenue mix
Local 63.3%
State 26.0%
Federal 10.7%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Centennial High School Compares to District-Mates
| 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 | Similar S:T ratio |
| Franklin Middle School | Smaller | No free-lunch data | Lower 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.
Other Schools in This District
- Enrollment
- 711
- Students per teacher
- 13.2:1
- Resource Index
- 46/100
- Enrollment
- 681
- Students per teacher
- 14.2:1
- Resource Index
- 30/100
- Enrollment
- 665
- Students per teacher
- 12.5:1
- Resource Index
- 47/100
- Enrollment
- 647
- Students per teacher
- 13.2:1
- Resource Index
- 46/100
Similar high schools in Champaign
1 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,476 students)
Frequently asked questions about Centennial High School
How many students attend Centennial High School?
Centennial High School has 1,476 students enrolled. It is a high school in Champaign, IL.
What is the student-teacher ratio at Centennial High School?
The student-teacher ratio at Centennial High School is 14.2:1, which is 1% higher than the Illinois average of 14:1 and 10% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Centennial High School?
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.
What is the Resource Investment Index for Centennial High School?
Centennial High School has a Resource Investment Index of 29/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Centennial High School rank among public schools in Champaign?
By Resource Investment Index, Centennial High School ranks #13 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.
What other schools are in Champaign Cusd 4?
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.
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, the data changelog, or report a data error. Data current as of August 2026.