- Enrollment
- 3,085
- Students per teacher
- 18.8:1
- Resource Index
- 37/100
High school (grades 9-12) · Marietta, GA
Kell High School
Federal NCES profile for Kell High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 130129002526
👥 S:T ratio 32
🌟 Gifted program 70
🎓 Counselors 9
📋 Attendance 32
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Kell High School earns 36/100 on the Resource Investment Index, with class sizes larger than 85% of Georgia schools.
- #8 of 9
- high schools in Marietta · Resource Index
- 36
- Resource Index · Typical
- 17.1:1
- large classes for Georgia
- 23.4%
- free-lunch eligible
Kell High School has class sizes larger than 85% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Kell High School ranks #8 of 9 high schools in Marietta, GA.
School address
CCD year-over-year · 2022-23 → 2023-24
+76 students YoY
Kell High School grew from 1,506 students in 2022-23 to 1,582 in 2023-24 (+5.0%).
Teacher FTE lost 93.1 → 90.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+76 students YoY 130129002526 · Marietta, GA High · MID · TRAD
1,587 enr · 17.1:1 · 23.4% lunch · RII 36
Nearest enrollment peer: Campbell High School (3,085 students)
Kell High School grew from 1,506 students in 2022-23 to 1,582 in 2023-24 (+5.0%). Teacher FTE lost 93.1 → 90.5 across the same CCD years. Read with this school → · District book → · Georgia schools → · Find another →
Kell High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Campbell High
Campbell High School
3,085 students
- Osborne High S
Osborne High School
2,790 students
- Walton High Sc
Walton High School
2,705 students
- Pebblebrook Hi
Pebblebrook High School
2,574 students
- North Cobb Hig
North Cobb High School
2,463 students
- This school
Kell High School
1,587 students
What this shows Kell High School reports 1,587 students on the CCD universe file.
How Kell High School compares
Kell High School is a growing campus on CCD: ratios and free-lunch share vs Georgia and U.S. means.
| Metric | This school | vs Georgia | Georgia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.1:1 | ▲ 19% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 23.4% | ▼ 61% | 60.7% | 51.7% |
| Enrollment | 1,587 | top 7% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.1:1
Leaner classes than 30% of US schools, heavier class loads than most.
1,587
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
23.4%
free-lunch eligible
- 61% below the Georgia average of 60.7%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.1:1
students per teacher
- 19% above state mean
Top 85% in Georgia - lower ratio than 15% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
27.4%
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
$14,680
per pupil, district-wide
- above Georgia avg of $14,615
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors3.5 FTE
Per 453 students, the combined health-and-guidance staffing load for this school.
Discipline context
255
in-school suspensions + 145 out-of-school
Suspension rate: 16.1 per 100 students. Combined in-school and out-of-school rate: 25.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
White 43.0%
African American 24.8%
Hispanic or Latino 22.7%
Two or More 6.5%
Asian 2.7%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 43.0% of enrollment.
Student-body diversity index 69.7/100
Simpson diversity index - at 69.7, Kell High School is more mixed than the Georgia school average of 50.0.
Programs
AP courses offered 23
Gifted & talented Yes
District finance for Cobb County reports $14,680 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Kell High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Campbell High School | Larger | Higher economic need | Higher S:T ratio |
| Osborne High School | Larger | Higher economic need | Similar S:T ratio |
| Walton High School | Larger | Lower economic need | Higher S:T ratio |
| Pebblebrook High School | Larger | Higher economic need | Similar S:T ratio |
| North Cobb High School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Kell High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,790
- Students per teacher
- 17:1
- Resource Index
- 44/100
- Enrollment
- 2,705
- Students per teacher
- 19.7:1
- Resource Index
- 43/100
- Enrollment
- 2,574
- Students per teacher
- 17.8:1
- Resource Index
- 38/100
- Enrollment
- 2,463
- Students per teacher
- 17.5:1
- Resource Index
- 39/100
Similar high schools in Marietta
6 comparable high schools (grades 9-12) serving the same city.
Osborne High School
Standard public school
2,790 students 17:1 students per teacher
Walton High School
Standard public school
2,705 students 19.7:1 students per teacher
Marietta High School
Standard public school
2,526 students 14.8:1 students per teacher
Wheeler High School
Standard public school
2,401 students 17.5:1 students per teacher
Lassiter High School
Standard public school
2,005 students 18.7:1 students per teacher
Pope High School
Standard public school
1,793 students 17.9:1 students per teacher
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 (~1,587 students)
Frequently asked questions about Kell High School
How many students attend Kell High School?
Kell High School has 1,587 students enrolled. It is a high school in Marietta, GA. CCD year-over-year: 1,506 (2022-23) → 1,582 (2023-24), up 76.
What is the student-teacher ratio at Kell High School?
The student-teacher ratio at Kell High School is 17.1:1, which is 19% higher than the Georgia average of 14.4:1 and 9% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Kell High School?
23.4% of students at Kell High School are eligible for free lunch, compared to the Georgia average of 60.7%.
What is the racial and ethnic makeup of Kell High School?
The largest demographic group at Kell High School is White at 43.0% of enrollment, in Marietta, GA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.7/100.
What is the Resource Investment Index for Kell High School?
Kell High School has a Resource Investment Index of 36/100 (typical 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 Kell High School rank among high schools in Marietta?
By Resource Investment Index, Kell High School ranks #8 of 9 high schools in Marietta, 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 Marietta on the city page.
What other schools are in Cobb County?
Besides Kell High School, Cobb County also operates Campbell High School (3,085 students), Osborne High School (2,790 students), and Walton High School (2,705 students). See the Cobb County district page for the complete list.