Enrollment
1,643
Georgia · 2024-25 NCES data
High school (grades 9-12) · Roswell, GA
Centennial High School
Federal NCES profile for Centennial High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 130228002181
👥 S:T ratio 42
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 34
📋 Attendance 12
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Centennial High School earns 52/100 on the Resource Investment Index, with class sizes near the Georgia median.
- #3 of 3
- high schools in Roswell · Resource Index
- 52
- Resource Index · Higher
- 14.5:1
- students per teacher
- 27.6%
- free-lunch eligible
Centennial High School has class sizes near the Georgia median. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Centennial High School ranks #3 of 3 high schools in Roswell, GA.
School address
District: Fulton County · Georgia
NCES ID 130228002181 Verify on NCES CCD record →
Teachers (FTE)
113.0
Federal CCD staff survey
Students per teacher
14.5:1
vs 14.4:1 Georgia avg
+1% vs state
Free-lunch eligible
27.6%
vs 60.7% Georgia avg
-55% vs state
Student-teacher ratio in context
How Centennial High School compares with Georgia and U.S. medians
What stands out at Centennial High School
Centennial High School is a large high school in Roswell, Georgia, enrolling 1,643 students.
At 14.5:1, its student-teacher ratio sits close to the Georgia median, within a few percentage points of the 14.4:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 27.6% of students eligible for free meals.
By headcount it is one of the larger campuses in Georgia, bigger than 94% of state schools at 1,643 students.
Its Resource Investment Index sits near the middle of the pack among 2,314 scored Georgia schools.
Against 180 statewide peers matched on enrollment and economic need, it ranks mid-pack at #97.
Its student body is led by White (38%) and Hispanic or Latino (35%) (diversity index 69/100).
On the academic-pipeline side it reports 31 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 329 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 35.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 14 expulsions at this campus for 2021-22.
Among Roswell's high schools, it stands alongside Roswell High School (2,035 students): Centennial High School is smaller than that campus by headcount and runs leaner classes (14.5:1 vs 16.4:1).
Fulton County also operates Westlake High School (2,056 students) and Roswell High School (2,035 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 Georgia and U.S. means.
| Metric | This school | vs Georgia | Georgia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.5:1 | ▲ 1% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 27.6% | ▼ 55% | 60.7% | 51.7% |
| Enrollment | 1,643 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.5:1
Leaner classes than 52% of US schools, a middle-of-the-pack class size.
1,643
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
27.6%
free-lunch eligible
- 55% below the Georgia average of 60.7%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.5:1
students per teacher
- 1% above state mean
Top 56% in Georgia - lower ratio than 44% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
35.1%
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
$13,999
per pupil, district-wide
- above Georgia avg of $13,863
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors5.0 FTE
Per 329 students, the combined health-and-guidance staffing load for this school.
Discipline context
113
in-school suspensions + 117 out-of-school
Suspension rate: 6.9 per 100 students. Combined in-school and out-of-school rate: 14.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 14 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 38.0%
Hispanic or Latino 34.9%
African American 19.5%
Two or More 3.8%
Asian 3.7%
American Indian / Alaska Native 0.2%
Largest group: White at 38.0% of enrollment.
Student-body diversity index 69.3/100
Simpson diversity index - at 69.3, Centennial High School is more mixed than the Georgia school average of 50.0.
Programs
AP courses offered 31
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Fulton County, which includes Centennial High School.
$13,999
Per student
+1%
vs Georgia
Avg $13,863
-16%
vs U.S.
Avg $16,593
Revenue mix
Local 61.5%
State 26.9%
Federal 11.6%
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 |
|---|---|---|---|
| Westlake High School | Larger | Similar economic need | Higher S:T ratio |
| Roswell High School | Similar size | Similar economic need | Higher S:T ratio |
| Alpharetta High School | Similar size | Lower economic need | Higher S:T ratio |
| Milton High School | Similar size | Lower economic need | Higher S:T ratio |
| Langston Hughes High School | Similar size | Higher economic need | 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
- 2,056
- Students per teacher
- 17.4:1
- Resource Index
- 35/100
- Enrollment
- 2,035
- Students per teacher
- 16.4:1
- Resource Index
- 43/100
- Enrollment
- 2,024
- Students per teacher
- 16.7:1
- Resource Index
- 46/100
- Enrollment
- 1,999
- Students per teacher
- 17.4:1
- Resource Index
- 40/100
- Enrollment
- 1,891
- Students per teacher
- 18.2:1
- Resource Index
- 41/100
Similar high schools in Roswell
2 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Georgia, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,643 students)
Similar student-teacher ratio (~14.5:1)
Next steps
Verify locally before acting on Centennial High School's federal record.
- Compare Centennial High School against another school. Compare schools
- Fulton 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 1,643 students enrolled. It is a high school in Roswell, GA.
What is the student-teacher ratio at Centennial High School?
The student-teacher ratio at Centennial High School is 14.5:1, which is 1% higher than the Georgia average of 14.4:1 and 8% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Centennial High School?
27.6% of students at Centennial High School are eligible for free lunch, compared to the Georgia average of 60.7%.
What is the racial and ethnic makeup of Centennial High School?
The largest demographic group at Centennial High School is White at 38.0% of enrollment, in Roswell, GA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.3/100.
What is the Resource Investment Index for Centennial High School?
Centennial High School has a Resource Investment Index of 52/100 (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 Roswell?
By Resource Investment Index, Centennial High School ranks #3 of 3 high schools in Roswell, GA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Roswell on the city page.
Is Centennial High School a good school?
Centennial High School earns 52/100 on the Resource Investment Index, with class sizes near the Georgia median. 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 Fulton County?
Besides Centennial High School, Fulton County also operates Westlake High School (2,056 students), Roswell High School (2,035 students), and Alpharetta High School (2,024 students). See the Fulton 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.