Enrollment
927
Georgia · 2024-25 NCES data
Other / mixed grade configuration · Atlanta, GA
Cobb Horizon High School
Federal NCES profile for Cobb Horizon High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataOther / mixed grade configurationNCES 130129004303
👥 S:T ratio 55
🌟 Gifted program 70
🎓 Counselors 69
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cobb Horizon High School earns 48/100 on the Resource Investment Index, with class sizes smaller than 87% of Georgia schools. It is also more racially and ethnically mixed than most Georgia schools.
- #17 of 70
- schools in Atlanta · Resource Index
- 48
- Resource Index · Typical
- 11.3:1
- small classes for Georgia
- 14.1%
- free-lunch eligible
Cobb Horizon High School has class sizes smaller than 87% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Cobb Horizon High School ranks #17 of 70 schools in Atlanta, GA.
School address
Teachers (FTE)
82.0
Federal CCD staff survey
Students per teacher
11.3:1
vs 14.4:1 Georgia avg
-22% vs state
Free-lunch eligible
14.1%
vs 60.7% Georgia avg
-77% vs state
Student-teacher ratio in context
How Cobb Horizon High School compares with Georgia and U.S. medians
What stands out at Cobb Horizon High School
Cobb Horizon High School is a lower-poverty, mid-sized combined-grade school in Atlanta, Georgia, enrolling 927 students.
Classes run notably small here: at 11.3:1, Cobb Horizon High School is leaner than roughly 87% of Georgia schools and 22% under the state's 14.4:1 norm, more adult attention per pupil than most peers.
Comparatively few students face economic hardship here, 14.1% free-meal eligibility runs 77% below the Georgia average.
Enrollment of 927 puts it in the larger third of Georgia schools by headcount.
Its Resource Investment Index lands in the upper third of 2,314 scored Georgia schools.
Against 250 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #77.
Its student body is led by African American (35%) and Hispanic or Latino (34%), more mixed than most schools in the state (diversity index 70/100).
Counselor coverage is strong, about 155 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 63.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Atlanta's public schools, it stands alongside Georgia Cyber Academy (9,952 students): Cobb Horizon High School is smaller than that campus by headcount and runs leaner classes (11.3:1 vs 15.2:1).
Cobb County also operates Campbell High School (3,085 students) and Osborne High School (2,790 students) alongside Cobb Horizon 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 Cobb Horizon High School compares
Cobb Horizon 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 | 11.3:1 | ▼ 22% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 14.1% | ▼ 77% | 60.7% | 51.7% |
| Enrollment | 927 | top 23% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.3:1
Leaner classes than 81% of US schools, among the more generously staffed nationally.
927
Bigger than 90% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
14.1%
free-lunch eligible
- 77% 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
11.3:1
students per teacher
- 22% below state mean
Top 13% in Georgia - lower ratio than 87% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
63.3%
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
$13,203
per pupil, district-wide
- below Georgia avg of $13,863
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 155 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 47 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 5.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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
African American 35.3%
Hispanic or Latino 34.0%
White 22.9%
Two or More 5.1%
Asian 2.0%
American Indian / Alaska Native 0.5%
Native Hawaiian / Pacific Islander 0.2%
Largest group: African American at 35.3% of enrollment.
Student-body diversity index 70.4/100
Simpson diversity index - at 70.4, Cobb Horizon High School is more mixed than the Georgia school average of 50.0.
Programs
AP courses offered 13
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Cobb County, which includes Cobb Horizon High School.
$13,203
Per student
-5%
vs Georgia
Avg $13,863
-20%
vs U.S.
Avg $16,593
Revenue mix
Local 52.6%
State 35.4%
Federal 11.9%
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 Cobb Horizon 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 | Higher S:T ratio |
| Walton High School | Larger | Lower economic need | Higher S:T ratio |
| Pebblebrook High School | Larger | Higher economic need | Higher S:T ratio |
| North Cobb High School | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Cobb Horizon High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,085
- Students per teacher
- 18.8:1
- Resource Index
- 37/100
- 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 other schools in Atlanta
6 comparable other schools (grades Mixed) serving the same city.
Georgia Cyber Academy
Standard public school
9,952 students 15.2:1 students per teacher
Doraville United Elementary School
Standard public school
1,003 students 19.7:1 students per teacher
Charles R. Drew Charter School
Standard public school
961 students 12:1 students per teacher
Charles Drew Charter Ja/Sr Academy
Standard public school
941 students 11.9:1 students per teacher
Morris Brandon Elementary School
Standard public school
911 students 15.4:1 students per teacher
Fernbank Elementary School
Standard public school
895 students 16.3:1 students per teacher
Similar other 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 (~927 students)
Next steps
Verify locally before acting on Cobb Horizon High School's federal record.
- Compare Cobb Horizon High School against another school. Compare schools
- Cobb 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 Cobb Horizon High School
How many students attend Cobb Horizon High School?
Cobb Horizon High School has 927 students enrolled. It is a public school in Atlanta, GA.
What is the student-teacher ratio at Cobb Horizon High School?
The student-teacher ratio at Cobb Horizon High School is 11.3:1, which is 22% lower than the Georgia average of 14.4:1 and 28% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Cobb Horizon High School?
14.1% of students at Cobb Horizon High School are eligible for free lunch, compared to the Georgia average of 60.7%.
What is the racial and ethnic makeup of Cobb Horizon High School?
The largest demographic group at Cobb Horizon High School is African American at 35.3% of enrollment, in Atlanta, GA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.4/100.
What is the Resource Investment Index for Cobb Horizon High School?
Cobb Horizon High School has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 4 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 Cobb Horizon High School rank among schools in Atlanta?
By Resource Investment Index, Cobb Horizon High School ranks #17 of 70 schools in Atlanta, GA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Atlanta on the city page.
Is Cobb Horizon High School a good school?
Cobb Horizon High School earns 48/100 on the Resource Investment Index, with class sizes smaller than 87% of Georgia schools. It is also more racially and ethnically mixed than most Georgia schools. 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 Cobb County?
Besides Cobb Horizon 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.
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.