South Gwinnett High School is a public high school for students in grades 9–12. The school is located in Snellville, Georgia, United States. It is part of the Gwinnett County Public Schools system, one of the 15 largest public school systems in the country. South Gwinnett is home to about 2,800 students.
Serving 2,639 students in grades 9-12, South Gwinnett High School ranks in the bottom 50% of all schools in Georgia for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 33% (which is lower than the Georgia state average of 39%). The percentage of students achieving proficiency in reading/language arts is 34% (which is lower than the Georgia state average of 40%).
The student-teacher ratio of 17:1 is higher than the Georgia state level of 14:1.
Minority enrollment is 96% of the student body (majority Black), which is higher than the Georgia state average of 66% (majority Black).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,639 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 96%
- Graduation Rate: 77% (Btm 50% in GA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 33% (Btm 50%)
- Reading Proficiency: 34% (Top 50%)
- Science Proficiency: 34% (Btm 50%)
- Source: National Center for Education Statistics (NCES), GA Dept. of Education
School Overview
South Gwinnett High School's student population of 2,639 students has stayed relatively flat over five school years.
The teacher population of 156 teachers has grown by 7% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
2,639 students
Total Classroom Teachers
156 teachers
Year Founded
1957
Colors
Grey, Navy Blue
School Calendar
School Rankings
South Gwinnett High School ranks within the bottom 50% of all 2,192 schools in Georgia (based off of combined math and reading proficiency testing data).
The diversity score of South Gwinnett High School is 0.48, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1127 out of 2192 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
33%
39%
Reading/Language Arts Test Scores (% Proficient)
34%
40%
Science Test Scores (% Proficient)
34%
40%
Student-Teacher Ratio
17:1
14:1
American Indian
n/a
n/a
Asian
2%
5%
Hispanic
22%
20%
Black
69%
36%
White
4%
34%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
77%
84%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
56%
63%
Eligible for Reduced Lunch
11%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), GA Dept. of Education
School Notes
- School Mascot: Comet
Frequently Asked Questions
What is South Gwinnett High School's ranking?
South Gwinnett High School is ranked #1127 out of 2,192 schools, which ranks it among the bottom 50% of public schools in Georgia.
What schools are South Gwinnett High School often compared to?
South Gwinnett High Schoolis often viewed alongside schools like Shiloh High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
33% of students have achieved math proficiency (compared to the 39% GA state average), while 34% of students have achieved reading proficiency (compared to the 40% GA state average).
What is the graduation rate of South Gwinnett High School?
The graduation rate of South Gwinnett High School is 77%, which is lower than the Georgia state average of 84%.
How many students attend South Gwinnett High School?
2,639 students attend South Gwinnett High School.
What is the racial composition of the student body?
69% of South Gwinnett High School students are Black, 22% of students are Hispanic, 4% of students are White, 3% of students are Two or more races, and 2% of students are Asian.
What is the student-teacher ratio of South Gwinnett High School?
South Gwinnett High School has a student ration of 17:1, which is higher than the Georgia state average of 14:1.
What grades does South Gwinnett High School offer ?
South Gwinnett High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is South Gwinnett High School part of?
South Gwinnett High School is part of Gwinnett County School District.
School Reviews
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