South Gwinnett High School

South Gwinnett High School is one of the big senior highs in Snellville, Georgia, operated by Gwinnett County, with 2,639 students on its rolls from grades 9 through 12. By comparison, Georgia's public schools average about 1,120 students each, so South Gwinnett High School sits 136% above that benchmark.

Gwinnett County runs 141 schools in total, collectively educating 182,518 students. South Gwinnett High School is one of those campuses.

On the student-mix side, South Gwinnett High School logs that 68% of the student body identifies as Black. Beyond that, the school shows 22% Hispanic, 4% White, 3% multiracial, 2% Asian. By comparison, Gwinnett County as a whole is about 28% Black, so the school skews noticeably more Black than its surroundings.

On the resource side, On paper, South Gwinnett High School has 156 full-time-equivalent teachers, translating to a class-load average of around 16.9:1. That figure is higher than the state norm's 15.2:1 average. An estimated 67% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

After controlling for student poverty, South Gwinnett High School falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 42.7%; this one comes in at 27.9%, -14.8 points off the demographic line.

Around the school, community-level numbers for Gwinnett County indicate median household earnings sit near $87,890, roughly 39% of adults have completed at least a four-year degree, and the poverty rate sits near 9%. Across Gwinnett County's 150 public schools (combined enrollment of about 196,924 students), South Gwinnett High School is one campus in the mix.

Britt Elementary School is the nearest neighboring public school, about 0.2 miles from this campus. Counting just inside five miles, 8 other public schools cluster around South Gwinnett High School. Ranking that nearby cluster on reported proficiency puts South Gwinnett High School at 9th of 9; the average score across the group is 53.6%.

The school occupies a commuter-belt site.

Over the past 7-year window. Over the past 7-year window, the student count held roughly steady: 2,624 students in 2018 compared to 2,639 in 2025. Over the same period, the Hispanic share increased from 14% to 22%. The student-to-teacher ratio narrowed from 18.7:1 in 2018 to 16.9:1 today.

On the community side, members of the South Gwinnett High School community share and discuss school events, parent volunteer needs, and clubs. Members of the school community can share what they know.