Average
#1518 of 2,268 schools in GA
South Gwinnett High School
High School · Gwinnett County
2288 Main St E, Snellville, GA 30078
Enrollment
2,588
Student-Teacher
16.4:1
Score
5.6
Grades
9th – 12th
Enrollment
2,588
Student-Teacher
16.4:1
Score
5.6
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Snellville
#11 of 14
public schools
Georgia high schools
#235 of 443
In district
#87 of 139
Gwinnett County
About South Gwinnett High School
South Gwinnett High School serves 2,588 students in grades 9-12 in Snellville, a large suburban community in Gwinnett County. With 158 full-time equivalent teachers, the school maintains a student-teacher ratio of 16.4:1, providing reasonable class sizes for this sizable high school. The school is currently focusing on student development, with 26% of students demonstrating proficiency in English Language Arts and 25% in mathematics.
While these scores indicate room for academic growth, South Gwinnett serves a diverse student population in a community with strong economic foundations. The school ranks in the 15th percentile among Georgia high schools, reflecting ongoing efforts to improve educational outcomes. Located in the 30078 ZIP code area, South Gwinnett draws from a stable suburban neighborhood where the median household income reaches $87,529 and median home values average $279,700.
The community shows strong educational values, with 40% of residents holding bachelor's degrees or higher, and maintains a relatively low poverty rate of 9.0% among its 41,998 residents. South Gwinnett High School sits at the heart of Snellville's established suburban landscape, serving families in a community that balances accessibility with suburban amenities.
What Parents Should Know
South Gwinnett High School is a large school with 2,588 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 Gwinnett High School — Students at South Gwinnett High School score 26% proficient, which is below what's typical for similar communities (expected: 35%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
73.9%
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: 4.9/10.
How South Gwinnett High School Compares
See how South Gwinnett High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 31% (2019) to 24.7% (2024). Reading/ELA proficiency has declined from 38% (2019) to 26.3% (2024).
Location
2288 Main St E, Snellville, GA 30078
Nearby Alternatives
Families considering South Gwinnett High School may also want to explore other high schools in the area. TLCHS ACADEMY (rated 4.8/10, 2.7 miles away), with a comparable rating. Additionally, Brookwood High School (rated 4.5/10, 2.8 miles away), a more accessible option. For more schools in Snellville, see our Snellville schools guide .
Nearby Schools
20 within 4.1 mi| School | Distance | Rating |
|---|---|---|
| Britt Elementary School Snellville | 0.2 mi | 4.5 |
| Snellville Middle School Snellville | 1.4 mi | 6.4 |
| Pharr Elementary School Snellville | 2.5 mi | 6.6 |
| TLCHS ACADEMY Snellville | 2.7 mi | 4.8 |
| Centerville Elementary School Snellville | 2.7 mi | 6.4 |
| ST MATTHEW'S PRESCHOOL & KINDERGARTEN Snellville | 2.6 mi | — |
| Norton Elementary School Snellville | 3.0 mi | 5.0 |
| Brookwood Elementary School Snellville | 2.7 mi | 6.2 |
| Brookwood High School Snellville | 2.8 mi | 4.5 |
| SOLA FIDE ACADEMY Lawrenceville | 3.3 mi | 6.0 |
| Trip Elementary School Grayson | 2.9 mi | 6.6 |
| Craig Elementary School Lawrenceville | 3.4 mi | 7.6 |
| Bay Creek Middle School Grayson | 3.0 mi | 7.8 |
| Crews Middle School Lawrenceville | 3.7 mi | 7.3 |
| Rosebud Elementary School Loganville | 3.4 mi | 9.2 |
| Head Elementary School Lilburn | 3.3 mi | 8.9 |
| Couch Middle School Grayson | 4.0 mi | 7.0 |
| Grayson Elementary School Grayson | 3.9 mi | 5.1 |
| CALVARY CHAPEL CHRISTIAN SCHOOL Lilburn | 3.7 mi | 5.9 |
| Starling Elementary School Grayson | 4.1 mi | 7.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 30078 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$90,054
Median Home Value
$316,600
Median Rent
$1,641/mo
Population
41,041
College Educated
42%
Homeownership
82.4%
Avg Commute
35.6 min
Poverty Rate
8.9%
Median Age
38.3
Community Profile
The community surrounding South Gwinnett High School has a median household income of $90,054. It is a well-educated community where 42% of adults hold a bachelor's degree or higher. The median home value in the area is $316,600, with a median rent of $1,641/month. The local poverty rate of 8.9% is relatively low. The average commute in the area is 36 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Lakeside High School Evans, GA | 5.6 |
| Pebblebrook High School Mableton, GA | 5.6 |
| Rockdale County High School Conyers, GA | 5.6 |
| South Forsyth High School Cumming, GA | 5.6 |
| Discovery High School Lawrenceville, GA | 5.5 |
| Dutchtown High Hampton, GA | 5.5 |
Frequently Asked Questions
Common questions about South Gwinnett High School
What grades does South Gwinnett High School serve?
South Gwinnett High School serves students in grades 9th through 12th.
How many students attend South Gwinnett High School?
South Gwinnett High School has an enrollment of approximately 2,588 students.
What is the student-teacher ratio at South Gwinnett High School?
The student-teacher ratio at South Gwinnett High School is 16.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does South Gwinnett High School rank in GA?
South Gwinnett High School is ranked #1518 out of 2,268 schools in GA.
What is South Gwinnett High School's MySchoolScout rating?
South Gwinnett High School has a composite rating of 5.6 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 Gwinnett High School?
Based on the most recent state assessment data, South Gwinnett High School has 23.4% math proficiency and 26.5% reading/ELA proficiency.
Is South Gwinnett High School a charter school?
No, South Gwinnett High School is not a charter school. It is a traditional public school operated by the local school district.
Is South Gwinnett High School a Title I school?
No, South Gwinnett High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for South Gwinnett High School?
73.9% of students at South Gwinnett 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
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,588
- Student-Teacher Ratio
- 16.4:1
- Teachers (FTE)
- 158
- Free/Reduced Lunch
- 73.9%
- Type
- regular
- Setting
- Large Suburb
- County
- Gwinnett County
- Phone
- (770) 972-4840
- Data Year
- 2023–2024
Resources & Links
District
Gwinnett County- District Enrollment
- 182,214
- Schools in District
- 140
- Per-Pupil Spending
- $14,348
- District Rank
- #87 of 139
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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