Enrollment
1,354
Tennessee · 2024-25 NCES data
High school (grades 9-12) · Franklin, TN
Centennial High School
Federal NCES profile for Centennial 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 470453000511
👥 S:T ratio 42
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 55
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Centennial High School earns 53/100 on the Resource Investment Index, with class sizes near the Tennessee median. It is also one of the largest schools in Tennessee.
- #5 of 5
- high schools in Franklin · Resource Index
- 53
- Resource Index · Higher
- 14.4:1
- students per teacher
- 1,354
- students enrolled
Centennial High School has class sizes near the Tennessee median. Computed live against every Tennessee school reporting to NCES.
By Resource Investment Index, Centennial High School ranks #5 of 5 high schools in Franklin, TN.
School address
District: Williamson County · Tennessee
NCES ID 470453000511 Verify on NCES CCD record →
Teachers (FTE)
94.0
Federal CCD staff survey
Students per teacher
14.4:1
vs 15.3:1 Tennessee avg
-6% vs state
Student-teacher ratio in context
How Centennial High School compares with Tennessee and U.S. medians
What stands out at Centennial High School
Centennial High School is a large high school in Franklin, Tennessee, enrolling 1,354 students.
At 14.4:1, its student-teacher ratio sits close to the Tennessee median, within a few percentage points of the 15.3:1 state norm, neither notably crowded nor notably small.
By headcount it is one of the larger campuses in Tennessee, bigger than 96% of state schools at 1,354 students.
Its Resource Investment Index sits near the middle of the pack among 1,838 scored Tennessee schools.
Its student body is led by White (55%) and Hispanic or Latino (25%), more mixed than most schools in the state (diversity index 62/100).
On the academic-pipeline side it reports 26 Advanced Placement courses.
Counselor coverage is strong, about 226 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 41.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 51 expulsions at this campus for 2021-22.
Among Franklin's high schools, it stands alongside Franklin High School (1,729 students): Centennial High School is smaller than that campus by headcount and runs leaner classes (14.4:1 vs 16:1).
Williamson County also operates Independence High School (2,091 students) and Ravenwood High School (1,975 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
How Centennial High School compares
Centennial High School on the metrics families compare, against Tennessee and U.S. means.
| Metric | This school | vs Tennessee | Tennessee avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.4:1 | ▼ 6% | 15.3:1 | 15.7:1 |
| Enrollment | 1,354 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.4:1
Leaner classes than 53% of US schools, a middle-of-the-pack class size.
1,354
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
14.4:1
students per teacher
- 6% below state mean
Top 43% in Tennessee - lower ratio than 57% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
41.0%
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
$10,710
per pupil, district-wide
- below Tennessee avg of $10,822
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors6.0 FTE
Per 226 students, the combined health-and-guidance staffing load for this school.
Discipline context
191
in-school suspensions + 3 out-of-school
Suspension rate: 14.1 per 100 students. Combined in-school and out-of-school rate: 14.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 51 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 54.8%
Hispanic or Latino 24.7%
African American 11.8%
Two or More 5.2%
Asian 3.5%
Largest group: White at 54.8% of enrollment.
Student-body diversity index 62.1/100
Simpson diversity index - at 62.1, Centennial High School is more mixed than the Tennessee school average of 38.3.
Programs
AP courses offered 26
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Williamson County, which includes Centennial High School.
$10,710
Per student
-1%
vs Tennessee
Avg $10,822
-35%
vs U.S.
Avg $16,593
Revenue mix
Local 68.0%
State 26.1%
Federal 5.9%
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 Centennial High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Independence High School | Larger | No free-lunch data | Higher S:T ratio |
| Ravenwood High School | Larger | No free-lunch data | Higher S:T ratio |
| Franklin High School | Larger | No free-lunch data | Higher S:T ratio |
| Summit High School | Similar size | No free-lunch data | Higher S:T ratio |
| Brentwood High School | Similar size | No free-lunch data | Higher 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
- 2,091
- Students per teacher
- 17.4:1
- Resource Index
- 42/100
- Enrollment
- 1,975
- Students per teacher
- 19.8:1
- Resource Index
- 40/100
- Enrollment
- 1,729
- Students per teacher
- 16:1
- Resource Index
- 48/100
- Enrollment
- 1,609
- Students per teacher
- 17.7:1
- Resource Index
- 43/100
- Enrollment
- 1,588
- Students per teacher
- 18.3:1
- Resource Index
- 45/100
Similar high schools in Franklin
4 comparable high schools (grades 9-12) serving the same city.
Franklin High School
Standard public school
1,729 students 16:1 students per teacher
Fred J Page High School
Standard public school
1,478 students 19.7:1 students per teacher
Renaissance High School
Standard public school
174 students 11.6:1 students per teacher
Vanguard Virtual High School
Standard public school
117 students 4.3:1 students per teacher
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Tennessee, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,354 students)
Next steps
Verify locally before acting on Centennial High School's federal record.
- Compare Centennial High School against another school. Compare schools
- Williamson County'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 Centennial High School
How many students attend Centennial High School?
Centennial High School has 1,354 students enrolled. It is a high school in Franklin, TN.
What is the student-teacher ratio at Centennial High School?
The student-teacher ratio at Centennial High School is 14.4:1, which is 6% lower than the Tennessee average of 15.3:1 and 8% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Centennial High School?
The largest demographic group at Centennial High School is White at 54.8% of enrollment, in Franklin, TN. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.1/100.
What is the Resource Investment Index for Centennial High School?
Centennial 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 Centennial High School rank among high schools in Franklin?
By Resource Investment Index, Centennial High School ranks #5 of 5 high schools in Franklin, TN. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Franklin on the city page.
Is Centennial High School a good school?
Centennial High School earns 53/100 on the Resource Investment Index, with class sizes near the Tennessee median. It is also one of the largest schools in Tennessee. 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 Williamson County?
Besides Centennial High School, Williamson County also operates Independence High School (2,091 students), Ravenwood High School (1,975 students), and Franklin High School (1,729 students). See the Williamson County district page for the complete list.
Related tools
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.