Average
#1264 of 2,268 schools in GA
Cobb Horizon High School
High School · Cobb County
1765 The Exchange SE, Atlanta, GA 30339
Enrollment
1,027
Student-Teacher
13:1
Score
6.1
Grades
6th – 12th
Enrollment
1,027
Student-Teacher
13:1
Score
6.1
Grades
6th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Atlanta
#89 of 136
public schools
Georgia high schools
#184 of 443
In district
#79 of 110
Cobb County
Academic growth
10.0 / 10
Exceptional
About Cobb Horizon High School
Cobb Horizon High School serves 1,027 students in grades 6-12 in Atlanta's Cobb County, offering a comprehensive educational experience with a favorable 13:1 student-teacher ratio among its 79 full-time equivalent teachers. The school holds a MySchoolScout rating of 4.5 out of 10 and ranks #1456 out of 2271 schools statewide, placing it in the 36th percentile among Georgia schools. Academically, the school shows room for growth, with 36% of students achieving proficiency or above in English Language Arts and Reading, while 37% meet proficiency standards in Mathematics.
These performance levels suggest the school is focusing on student development and working to strengthen academic outcomes across all grade levels. The school draws from an affluent community where the median household income reaches $97,106 and home values average $421,500. The surrounding area reflects a highly educated population, with 68% of residents holding bachelor's degrees or higher, while maintaining a low poverty rate of just 5.3%.
This ZIP code of 30339 houses 34,292 residents who value educational achievement. Located on The Exchange SE, Cobb Horizon High School sits in a thriving large suburban setting that combines the benefits of metropolitan access with a strong residential community atmosphere.
Score Breakdown
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Cobb Horizon High School — Students at Cobb Horizon High School score 40% proficient, which is below what's typical for similar communities (expected: 66%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
23.5%
Students qualifying for federal meal assistance
Test Scores GA GA (2023-24)
Based on 8 test records from GA state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 10.0/10.
How Cobb Horizon High School Compares
See how Cobb Horizon High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 12% (2019) to 30.9% (2024). Reading/ELA proficiency has improved from 17% (2019) to 48.4% (2024).
Location
1765 The Exchange SE, Atlanta, GA 30339
Nearby Alternatives
Families considering Cobb Horizon High School may also want to explore other high schools in the area. Wheeler High School (rated 7.4/10, 3.4 miles away, in nearby Marietta), which scores notably higher. Additionally, Campbell High School (rated 6.2/10, 2.9 miles away, in nearby Smyrna), with a very similar rating. For more schools in Atlanta, see our Atlanta schools guide .
Nearby Schools
20 within 3.5 mi| School | Distance | Rating |
|---|---|---|
| Destinations Career Academy of Georgia (Virtual) Atlanta | 0.2 mi | 2.1 |
| Argyle Elementary School Smyrna | 1.9 mi | 4.9 |
| East Cobb Middle School Marietta | 2.0 mi | 4.9 |
| Eastvalley Elementary School Marietta | 2.2 mi | 7.9 |
| Brumby Elementary School Marietta | 2.1 mi | 6.6 |
| Powers Ferry Elementary School Marietta | 2.4 mi | 8.0 |
| Sedalia Park Elementary School Marietta | 2.5 mi | 5.7 |
| Sope Creek Elementary School Marietta | 2.4 mi | 6.7 |
| FAITH LUTHERAN SCHOOL Marietta | 2.7 mi | 7.4 |
| Campbell Middle School Smyrna | 2.7 mi | 6.7 |
| SMYRNA PREP Smyrna | 2.6 mi | — |
| COVENANT CHRISTIAN SCHOOL Smyrna | 2.8 mi | 7.0 |
| FIRST BAPTIST CHURCH WEEKDAY EDUCATION Smyrna | 2.7 mi | — |
| Smyrna Elementary School Smyrna | 2.6 mi | 8.6 |
| CASA DEI BAMBINI MONTESSORI SCHOOL Marietta | 2.9 mi | 6.1 |
| Teasley Elementary School Smyrna | 3.1 mi | 6.6 |
| Campbell High School Smyrna | 2.9 mi | 6.2 |
| Wheeler High School Marietta | 3.4 mi | 7.4 |
| Green Acres Elementary School Smyrna | 3.1 mi | 4.5 |
| TRINITY SCHOOL Atlanta | 3.5 mi | 7.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 30339 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$101,049
Median Home Value
$437,300
Median Rent
$1,820/mo
Population
34,872
College Educated
70.7%
Homeownership
32.8%
Avg Commute
25.7 min
Poverty Rate
5.2%
Median Age
33.7
Community Profile
The community surrounding Cobb Horizon High School has a median household income of $101,049. It is a well-educated community where 71% of adults hold a bachelor's degree or higher. The median home value in the area is $437,300, with a median rent of $1,820/month. The local poverty rate of 5.2% is relatively low. The average commute for residents is 26 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| D. M. Therrell High School Atlanta, GA | 6.1 |
| Hart County High School Hartwell, GA | 6.1 |
| Swainsboro High School Swainsboro, GA | 6.1 |
| Cartersville High School Cartersville, GA | 6.0 |
| Fannin County High School Blue Ridge, GA | 6.0 |
| Pepperell High School Lindale, GA | 6.0 |
Frequently Asked Questions
Common questions about Cobb Horizon High School
What grades does Cobb Horizon High School serve?
Cobb Horizon High School serves students in grades 6th through 12th.
How many students attend Cobb Horizon High School?
Cobb Horizon High School has an enrollment of approximately 1,027 students.
What is the student-teacher ratio at Cobb Horizon High School?
The student-teacher ratio at Cobb Horizon High School is 13:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Cobb Horizon High School rank in GA?
Cobb Horizon High School is ranked #1264 out of 2,268 schools in GA.
What is Cobb Horizon High School's MySchoolScout rating?
Cobb Horizon High School has a composite rating of 6.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Cobb Horizon High School?
Based on the most recent state assessment data, Cobb Horizon High School has 22.5% math proficiency and 27.9% reading/ELA proficiency.
Is Cobb Horizon High School a charter school?
No, Cobb Horizon High School is not a charter school. It is a traditional public school operated by the local school district.
Is Cobb Horizon High School a Title I school?
No, Cobb Horizon High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Cobb Horizon High School?
23.5% of students at Cobb Horizon High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 12th
- Enrollment
- 1,027
- Student-Teacher Ratio
- 13:1
- Teachers (FTE)
- 79
- Free/Reduced Lunch
- 23.5%
- Type
- regular
- Setting
- Large Suburb
- County
- Cobb County
- Phone
- (678) 594-8240
- Data Year
- 2023–2024
Resources & Links
District
Cobb County- District Enrollment
- 106,358
- Schools in District
- 110
- Per-Pupil Spending
- $14,680
- District Rank
- #79 of 110
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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