Average
#1594 of 2,268 schools in GA
South Cobb High School
High School · Cobb County
1920 Clay Rd, Austell, GA 30106
Enrollment
2,137
Student-Teacher
16.6:1
Score
5.4
Grades
9th – 12th
Enrollment
2,137
Student-Teacher
16.6:1
Score
5.4
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Austell
#6 of 6
public schools
Georgia high schools
#255 of 443
In district
#100 of 110
Cobb County
Academic performance
7.0 / 10
Strong
About South Cobb High School
South Cobb High School serves 2,137 students in grades 9-12 in Austell, Georgia, operating as a large comprehensive high school in Cobb County's suburban landscape. With 129 full-time equivalent teachers, the school maintains a student-teacher ratio of 16.6:1, providing reasonable class sizes for a school of this scale. Academically, South Cobb High School has room for growth, with 39% of students performing proficiently or above in English Language Arts and 32% in mathematics.
The school ranks in the 34th percentile among Georgia high schools, indicating opportunities to strengthen student achievement across core subjects. While test performance shows areas for improvement, the school's size allows for diverse programming and extracurricular opportunities typical of large suburban high schools. Located on Clay Road in the 30106 ZIP code area, South Cobb serves a community where the median household income is $65,447 and median home value reaches $221,000.
About 25% of neighborhood residents hold bachelor's degrees or higher, with a poverty rate of 12.1% among the area's nearly 24,000 residents. The school sits in Cobb County's large suburban setting, providing students access to both community resources and the broader Atlanta metropolitan area's educational and career opportunities.
What Parents Should Know
South Cobb High School is a large school with 2,137 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.
Score Breakdown
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South Cobb High School — Students at South Cobb High School score 36% proficient, which is above what's typical for similar communities (expected: 31%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
81%
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
↓ DecliningAverage 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: 5.7/10.
How South Cobb High School Compares
See how South Cobb High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 38% (2019) to 31.6% (2024). Reading/ELA proficiency has declined from 46% (2019) to 39.4% (2024).
Location
1920 Clay Rd, Austell, GA 30106
Nearby Alternatives
Families considering South Cobb High School may also want to explore other high schools in the area. Clarkdale Elementary School (rated 8.5/10, 1.4 miles away), which scores notably higher. Another option is Clay-Harmony Leland Elementary School (rated 8.4/10, 3.3 miles away, in nearby Mableton), which scores notably higher. Additionally, Birney Elementary School (rated 8.4/10, 3.6 miles away, in nearby Marietta), which scores notably higher. For more schools in Austell, see our Austell schools guide .
Nearby Schools
20 within 3.5 mi| School | Distance | Rating |
|---|---|---|
| Sanders Elementary School Austell | 1.1 mi | 7.8 |
| Clarkdale Elementary School Austell | 1.4 mi | 8.5 |
| Cooper Middle School Austell | 1.5 mi | 6.6 |
| Mableton Elementary School Mableton | 1.6 mi | 5.4 |
| THE GODDARD SCHOOL - AUSTELL Austell | 1.9 mi | — |
| Austell Elementary School Austell | 1.9 mi | 7.8 |
| Floyd Middle School Mableton | 2.0 mi | 7.3 |
| Garrett Middle School Austell | 2.1 mi | 6.8 |
| CONNECTION POINTE CHRISTIAN ACADEMY Austell | 2.3 mi | 5.9 |
| Pebblebrook High School Mableton | 2.5 mi | 5.6 |
| Russell Elementary School Smyrna | 2.8 mi | 5.5 |
| Hollydale Elementary School Marietta | 3.2 mi | 6.4 |
| COVERED BRIDGE MONTESSORI SCHOOL Smyrna | 3.1 mi | — |
| JUBILEE CHRISTIAN PREPARATORY ACADEMY Powder Springs | 3.2 mi | — |
| Bryant Elementary School Mableton | 3.5 mi | 6.9 |
| Clay-Harmony Leland Elementary School Mableton | 3.3 mi | 8.4 |
| Smitha Middle School Marietta | 3.7 mi | 5.7 |
| MABLETON CHRISTIAN ACADEMY Mableton | 3.5 mi | 4.1 |
| Birney Elementary School Marietta | 3.6 mi | 8.4 |
| Lindley Middle School Mableton | 3.5 mi | 7.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 30106 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$65,715
Median Home Value
$254,600
Median Rent
$1,425/mo
Population
22,909
College Educated
27.3%
Homeownership
55.6%
Avg Commute
29.5 min
Poverty Rate
13.4%
Median Age
37
Community Profile
The community surrounding South Cobb High School has a median household income of $65,715. It is an area where 27% of adults hold a bachelor's degree or higher. The median home value in the area is $254,600, with a median rent of $1,425/month. The area has a poverty rate of 13.4%. The average commute for residents is 30 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 |
|---|---|
| Cambridge High School Milton, GA | 5.4 |
| Cedar Shoals High School Athens, GA | 5.4 |
| Effingham County High School Springfield, GA | 5.4 |
| Heritage High School Conyers, GA | 5.4 |
| Martin Luther King- Jr. High School Lithonia, GA | 5.4 |
| Tucker High School Tucker, GA | 5.4 |
Frequently Asked Questions
Common questions about South Cobb High School
What grades does South Cobb High School serve?
South Cobb High School serves students in grades 9th through 12th.
How many students attend South Cobb High School?
South Cobb High School has an enrollment of approximately 2,137 students.
What is the student-teacher ratio at South Cobb High School?
The student-teacher ratio at South Cobb High School is 16.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does South Cobb High School rank in GA?
South Cobb High School is ranked #1594 out of 2,268 schools in GA.
What is South Cobb High School's MySchoolScout rating?
South Cobb High School has a composite rating of 5.4 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 South Cobb High School?
Based on the most recent state assessment data, South Cobb High School has 30.7% math proficiency and 36.1% reading/ELA proficiency.
Is South Cobb High School a charter school?
No, South Cobb High School is not a charter school. It is a traditional public school operated by the local school district.
Is South Cobb High School a Title I school?
No, South Cobb High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for South Cobb High School?
81.0% of students at South Cobb 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
- Walk Score
- 33 Car-Dependent
- Transit Score
- 22 Minimal Transit
- Bike Score
- 32 Somewhat Bikeable
- County Safety
- Low (22/100K)
Powered by 
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,137
- Student-Teacher Ratio
- 16.6:1
- Teachers (FTE)
- 129
- Free/Reduced Lunch
- 81.0%
- Type
- regular
- Setting
- Large Suburb
- County
- Cobb County
- Phone
- (770) 819-2611
- Data Year
- 2023–2024
Resources & Links
District
Cobb County- District Enrollment
- 106,358
- Schools in District
- 110
- Per-Pupil Spending
- $14,680
- District Rank
- #100 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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