Enrollment
2,639
Georgia · 2024-25 NCES data
High school (grades 9-12) · Snellville, GA
South Gwinnett High School
Federal NCES profile for South Gwinnett High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 130255001135
👥 S:T ratio 29
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 10
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
South Gwinnett High School earns 42/100 on the Resource Investment Index, with class sizes larger than 90% of Georgia schools. It is also one of the largest schools in Georgia.
- #3 of 3
- high schools in Snellville · Resource Index
- 42
- Resource Index · Typical
- 17.8:1
- large classes for Georgia
- 46.9%
- free-lunch eligible
South Gwinnett High School has class sizes larger than 90% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, South Gwinnett High School ranks #3 of 3 high schools in Snellville, GA.
School address
District: Gwinnett County · Georgia
NCES ID 130255001135 Verify on NCES CCD record →
Teachers (FTE)
148.0
Federal CCD staff survey
Students per teacher
17.8:1
vs 14.4:1 Georgia avg
+24% vs state
Free-lunch eligible
46.9%
vs 60.7% Georgia avg
-23% vs state
Student-teacher ratio in context
How South Gwinnett High School compares with Georgia and U.S. medians
What stands out at South Gwinnett High School
South Gwinnett High School is a large high school in Snellville, Georgia, enrolling 2,639 students.
Class loads run heavy: 17.8:1 is larger than about 90% of Georgia schools and 24% above the 14.4:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 46.9% of students eligible for free meals.
By headcount it is one of the larger campuses in Georgia, bigger than 99% of state schools at 2,639 students.
Its Resource Investment Index trails 97% of the 2,314 Georgia schools with a score on record, one of the lower results on this measure.
Among 56 similarly sized, similarly resourced-need Georgia schools statewide, it ranks #51, in the lower tier once campus size and economic need are matched.
Its student body is led by African American (69%) and Hispanic or Latino (22%) (diversity index 48/100).
On the academic-pipeline side it reports 20 Advanced Placement courses.
Counselor access is stretched at roughly 528 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 36.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 619 in- and out-of-school suspensions were reported for 2,639 students in the 2021-22 Civil Rights Data Collection.
Among Snellville's high schools, it stands alongside Brookwood High School (3,803 students): South Gwinnett High School is smaller than that campus by headcount and runs leaner classes (17.8:1 vs 18.7:1).
Gwinnett County also operates Brookwood High School (3,803 students) and Grayson High School (3,627 students) alongside South Gwinnett High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How South Gwinnett High School compares
South Gwinnett High School on the metrics families compare, against Georgia and U.S. means.
| Metric | This school | vs Georgia | Georgia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.8:1 | ▲ 24% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 46.9% | ▼ 23% | 60.7% | 51.7% |
| Enrollment | 2,639 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.8:1
Leaner classes than 26% of US schools, heavier class loads than most.
2,639
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
46.9%
free-lunch eligible
- 23% below the Georgia average of 60.7%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
17.8:1
students per teacher
- 24% above state mean
Top 90% in Georgia - lower ratio than 10% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
36.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$13,113
per pupil, district-wide
- below Georgia avg of $13,863
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors5.0 FTE
Per 528 students, the combined health-and-guidance staffing load for this school.
Discipline context
371
in-school suspensions + 248 out-of-school
Suspension rate: 14.1 per 100 students. Combined in-school and out-of-school rate: 23.5 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
African American 68.5%
Hispanic or Latino 21.9%
White 3.9%
Two or More 3.1%
Asian 2.2%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.2%
Largest group: African American at 68.5% of enrollment.
Student-body diversity index 48.0/100
Simpson diversity index - at 48.0, South Gwinnett High School is less mixed than the Georgia school average of 50.0.
Programs
AP courses offered 20
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Gwinnett County, which includes South Gwinnett High School.
$13,113
Per student
-5%
vs Georgia
Avg $13,863
-21%
vs U.S.
Avg $16,593
Revenue mix
Local 44.3%
State 42.0%
Federal 13.7%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How South Gwinnett High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Brookwood High School | Larger | Lower economic need | Similar S:T ratio |
| Grayson High School | Larger | Lower economic need | Similar S:T ratio |
| Parkview High School | Similar size | Lower economic need | Similar S:T ratio |
| Peachtree Ridge High School | Similar size | Lower economic need | Similar S:T ratio |
| Archer High School | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to South Gwinnett High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,803
- Students per teacher
- 18.7:1
- Resource Index
- 40/100
- Enrollment
- 3,627
- Students per teacher
- 18.9:1
- Resource Index
- 46/100
- Enrollment
- 3,216
- Students per teacher
- 18.5:1
- Resource Index
- 34/100
- Enrollment
- 3,155
- Students per teacher
- 17.9:1
- Resource Index
- 42/100
- Enrollment
- 3,058
- Students per teacher
- 19:1
- Resource Index
- 39/100
Similar high schools in Snellville
2 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Georgia, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~2,639 students)
Next steps
Verify locally before acting on South Gwinnett High School's federal record.
- Compare South Gwinnett High School against another school. Compare schools
- Gwinnett County's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about South Gwinnett High School
How many students attend South Gwinnett High School?
South Gwinnett High School has 2,639 students enrolled. It is a high school in Snellville, GA.
What is the student-teacher ratio at South Gwinnett High School?
The student-teacher ratio at South Gwinnett High School is 17.8:1, which is 24% higher than the Georgia average of 14.4:1 and 13% higher than the national average of 15.7:1.
What percentage of students receive free lunch at South Gwinnett High School?
46.9% of students at South Gwinnett High School are eligible for free lunch, compared to the Georgia average of 60.7%.
What is the racial and ethnic makeup of South Gwinnett High School?
The largest demographic group at South Gwinnett High School is African American at 68.5% of enrollment, in Snellville, GA.
What is the Resource Investment Index for South Gwinnett High School?
South Gwinnett High School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does South Gwinnett High School rank among high schools in Snellville?
By Resource Investment Index, South Gwinnett High School ranks #3 of 3 high schools in Snellville, GA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Snellville on the city page.
Is South Gwinnett High School a good school?
South Gwinnett High School earns 42/100 on the Resource Investment Index, with class sizes larger than 90% of Georgia schools. It is also one of the largest schools in Georgia. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Gwinnett County?
Besides South Gwinnett High School, Gwinnett County also operates Brookwood High School (3,803 students), Grayson High School (3,627 students), and Parkview High School (3,216 students). See the Gwinnett County district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.