Enrollment
2,013
South Carolina · 2024-25 NCES data
High school (grades 9-12) · Greenville, SC
J. L. Mann High Academy
Federal NCES profile for J. L. Mann High Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 450231000568
👥 S:T ratio 28
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 50
📋 Attendance 17
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
J. L. Mann High Academy earns 53/100 on the Resource Investment Index, with class sizes larger than 91% of South Carolina schools. It is also one of the largest schools in South Carolina.
- #5 of 9
- high schools in Greenville · Resource Index
- 53
- Resource Index · Higher
- 18.1:1
- large classes for South Carolina
- 43.1%
- free-lunch eligible
J. L. Mann High Academy has class sizes larger than 91% of South Carolina schools. Computed live against every South Carolina school reporting to NCES.
By Resource Investment Index, J. L. Mann High Academy ranks #5 of 9 high schools in Greenville, SC.
School address
District: Greenville 01 · South Carolina
NCES ID 450231000568 Verify on NCES CCD record →
Teachers (FTE)
111.0
Federal CCD staff survey
Students per teacher
18.1:1
vs 14.3:1 South Carolina avg
+27% vs state
Free-lunch eligible
43.1%
vs 74.0% South Carolina avg
-42% vs state
Student-teacher ratio in context
How J. L. Mann High Academy compares with South Carolina and U.S. medians
What stands out at J. L. Mann High Academy
J. L. Mann High Academy is a large high school in Greenville, South Carolina, enrolling 2,013 students.
Class loads run heavy: 18.1:1 is larger than about 91% of South Carolina schools and 27% above the 14.3:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 43.1% of students eligible for free meals.
By headcount it is one of the larger campuses in South Carolina, bigger than 98% of state schools at 2,013 students.
Its Resource Investment Index lands in the lower third of 1,214 scored South Carolina schools.
Against 45 statewide peers matched on enrollment and economic need, it ranks mid-pack at #22.
Its student body is led by White (43%) and African American (33%) (diversity index 68/100).
On the academic-pipeline side it reports 31 Advanced Placement courses.
Counselor coverage runs a bit thin, about 252 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 33.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 15.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Greenville's high schools, it stands alongside Wade Hampton High (1,790 students): J. L. Mann High Academy is larger than that campus by headcount and runs leaner classes (18.1:1 vs 18.6:1).
Greenville 01 also operates Woodmont High (2,151 students) and Mauldin High (2,133 students) alongside J. L. Mann High Academy.
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 J. L. Mann High Academy compares
J. L. Mann High Academy on the metrics families compare, against South Carolina and U.S. means.
| Metric | This school | vs South Carolina | South Carolina avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.1:1 | ▲ 27% | 14.3:1 | 15.7:1 |
| Free-lunch eligible | 43.1% | ▼ 42% | 74.0% | 51.7% |
| Enrollment | 2,013 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.1:1
Leaner classes than 24% of US schools, heavier class loads than most.
2,013
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
43.1%
free-lunch eligible
- 42% below the South Carolina average of 74.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
18.1:1
students per teacher
- 27% above state mean
Top 91% in South Carolina - lower ratio than 9% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
33.3%
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
$11,859
per pupil, district-wide
- below South Carolina avg of $14,558
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors8.0 FTE
Per 252 students, the combined health-and-guidance staffing load for this school.
Discipline context
245
in-school suspensions + 136 out-of-school
Suspension rate: 12.2 per 100 students. Combined in-school and out-of-school rate: 18.9 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
White 42.5%
African American 33.2%
Hispanic or Latino 15.0%
Asian 5.3%
Two or More 3.2%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.4%
Largest group: White at 42.5% of enrollment.
Student-body diversity index 68.3/100
Simpson diversity index - at 68.3, J. L. Mann High Academy is more mixed than the South Carolina school average of 52.7.
Programs
AP courses offered 31
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Greenville 01, which includes J. L. Mann High Academy.
$11,859
Per student
-19%
vs South Carolina
Avg $14,558
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 39.3%
State 45.7%
Federal 15.0%
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 J. L. Mann High Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Woodmont High | Similar size | Higher economic need | Similar S:T ratio |
| Mauldin High | Similar size | Similar economic need | Similar S:T ratio |
| Hillcrest High | Similar size | Similar economic need | Similar S:T ratio |
| Riverside High | Similar size | Lower economic need | Higher S:T ratio |
| Wade Hampton High | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to J. L. Mann High Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,151
- Students per teacher
- 19.4:1
- Resource Index
- 42/100
- Enrollment
- 2,133
- Students per teacher
- 17.5:1
- Resource Index
- 49/100
- Enrollment
- 1,894
- Students per teacher
- 17.1:1
- Resource Index
- 40/100
- Enrollment
- 1,846
- Students per teacher
- 20.1:1
- Resource Index
- 50/100
- Enrollment
- 1,790
- Students per teacher
- 18.6:1
- Resource Index
- 45/100
Similar high schools in Greenville
6 comparable high schools (grades 9-12) serving the same city.
Wade Hampton High
Standard public school
1,790 students 18.6:1 students per teacher
Greenville Senior High Academy
Standard public school
1,730 students 20.1:1 students per teacher
Berea High
Standard public school
1,250 students 17.1:1 students per teacher
Southside High
Standard public school
1,075 students 16.5:1 students per teacher
Powdersville High
Standard public school
1,024 students 19.7:1 students per teacher
Carolina Academy (High)
Standard public school
976 students 17.4:1 students per teacher
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of South Carolina, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~2,013 students)
Similar student-teacher ratio (~18.1:1)
Next steps
Verify locally before acting on J. L. Mann High Academy's federal record.
- Compare J. L. Mann High Academy against another school. Compare schools
- Greenville 01'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 J. L. Mann High Academy
How many students attend J. L. Mann High Academy?
J. L. Mann High Academy has 2,013 students enrolled. It is a high school in Greenville, SC.
What is the student-teacher ratio at J. L. Mann High Academy?
The student-teacher ratio at J. L. Mann High Academy is 18.1:1, which is 27% higher than the South Carolina average of 14.3:1 and 15% higher than the national average of 15.7:1.
What percentage of students receive free lunch at J. L. Mann High Academy?
43.1% of students at J. L. Mann High Academy are eligible for free lunch, compared to the South Carolina average of 74.0%.
What is the racial and ethnic makeup of J. L. Mann High Academy?
The largest demographic group at J. L. Mann High Academy is White at 42.5% of enrollment, in Greenville, SC. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.3/100.
What is the Resource Investment Index for J. L. Mann High Academy?
J. L. Mann High Academy has a Resource Investment Index of 53/100 (higher 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 J. L. Mann High Academy rank among high schools in Greenville?
By Resource Investment Index, J. L. Mann High Academy ranks #5 of 9 high schools in Greenville, SC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Greenville on the city page.
Is J. L. Mann High Academy a good school?
J. L. Mann High Academy earns 53/100 on the Resource Investment Index, with class sizes larger than 91% of South Carolina schools. It is also one of the largest schools in South Carolina. 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 Greenville 01?
Besides J. L. Mann High Academy, Greenville 01 also operates Woodmont High (2,151 students), Mauldin High (2,133 students), and Hillcrest High (1,894 students). See the Greenville 01 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.