Enrollment
1,252
South Carolina · 2024-25 NCES data
High school (grades 9-12) · Piedmont, SC
Federal NCES profile for Wren High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
The verdict
Wren High earns 43/100 on the Resource Investment Index, with class sizes larger than 94% of South Carolina schools.
Wren High has class sizes larger than 94% of South Carolina schools. Computed live against every South Carolina school reporting to NCES.
By Resource Investment Index, Wren High ranks #6 of 8 public schools in Piedmont, SC.
NCES ID 450078000077 Verify on NCES CCD record →
Enrollment
1,252
South Carolina · 2024-25 NCES data
Teachers (FTE)
66.0
Federal CCD staff survey
Students per teacher
19:1
vs 14.3:1 South Carolina avg
+33% vs state
Free-lunch eligible
35.2%
vs 74.0% South Carolina avg
-52% vs state
How Wren High compares with South Carolina and U.S. medians
Larger classes than state median
19:1 - 4.7 above the South Carolina state median of 14.3:1, indicating larger average class loads than typical schools in the state.
Wren High is a large high school in Piedmont, South Carolina, enrolling 1,252 students.
Class loads run heavy: 19:1 is larger than about 94% of South Carolina schools and 33% above the 14.3:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 35.2% free-meal eligibility runs 52% below the South Carolina average.
By headcount it is one of the larger campuses in South Carolina, bigger than 93% of state schools at 1,252 students.
Its Resource Investment Index lands in the lower third of 1,214 scored South Carolina schools.
Among 95 similarly sized, similarly resourced-need South Carolina schools statewide, it ranks #78, in the lower tier once campus size and economic need are matched.
Its student body is led by White (79%) and African American (8%) (diversity index 37/100).
On the academic-pipeline side it reports 13 Advanced Placement courses.
Counselor access is stretched at roughly 1252 students per counselor, well above the ASCA-recommended 250:1 ceiling.
16.9% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Anderson 01 spends $10,372 per pupil, 29% below the South Carolina average, a leaner-resourced district than most.
Discipline events run high: 256 in- and out-of-school suspensions were reported for 1,252 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Piedmont's high schools, it stands alongside Woodmont High (2,151 students): Wren High is smaller than that campus by headcount and runs leaner classes (19:1 vs 19.4:1).
Anderson 01 also operates Palmetto High (1,086 students) and Powdersville High (1,024 students) alongside Wren High.
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
Wren High 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 | 19:1 | ▲ 33% | 14.3:1 | 15.7:1 |
| Free-lunch eligible | 35.2% | ▼ 52% | 74.0% | 51.7% |
| Enrollment | 1,252 | top 7% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 78.7% of enrollment.
Simpson diversity index - at 36.6, Wren High is less mixed than the South Carolina school average of 52.7.
District-wide per-pupil expenditure for Anderson 01, which includes Wren High.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Palmetto High | Similar size | Higher economic need | Similar S:T ratio |
| Powdersville High | Similar size | Similar economic need | Similar S:T ratio |
| Wren Middle | Smaller | Similar economic need | Lower S:T ratio |
| Spearman Elementary | Smaller | Higher economic need | Lower S:T ratio |
| Powdersville Middle | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Wren High's own figures; each column derives from NCES Common Core of Data.
1 comparable high schools (grades 9-12) serving the same city.
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.
Next steps
Verify locally before acting on Wren High's federal record.
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.
Wren High has 1,252 students enrolled. It is a high school in Piedmont, SC.
The student-teacher ratio at Wren High is 19:1, which is 33% higher than the South Carolina average of 14.3:1 and 21% higher than the national average of 15.7:1.
35.2% of students at Wren High are eligible for free lunch, compared to the South Carolina average of 74.0%.
The largest demographic group at Wren High is White at 78.7% of enrollment, in Piedmont, SC.
Wren High has a Resource Investment Index of 43/100 (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).
By Resource Investment Index, Wren High ranks #6 of 8 public schools in Piedmont, SC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Piedmont on the city page.
Wren High earns 43/100 on the Resource Investment Index, with class sizes larger than 94% of South Carolina schools. 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.
Besides Wren High, Anderson 01 also operates Palmetto High (1,086 students), Powdersville High (1,024 students), and Wren Middle (910 students). See the Anderson 01 district page for the complete list.
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.
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PlainSchools, “Wren High, Piedmont SC.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/wren-high-sc
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