Enrollment
1,170
South Carolina · 2024-25 NCES data
Other / mixed grade configuration · Charleston, SC
Federal NCES profile for Orange Grove Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 55/100.
The verdict
Orange Grove Charter School earns 55/100 on the Resource Investment Index, with class sizes larger than 74% of South Carolina schools.
Orange Grove Charter School has class sizes larger than 74% of South Carolina schools. Computed live against every South Carolina school reporting to NCES.
By Resource Investment Index, Orange Grove Charter School ranks #5 of 21 schools in Charleston, SC.
NCES ID 450144001457 Verify on NCES CCD record →
Enrollment
1,170
South Carolina · 2024-25 NCES data
Teachers (FTE)
74.0
Federal CCD staff survey
Students per teacher
15.8:1
vs 14.3:1 South Carolina avg
+10% vs state
Free-lunch eligible
21.8%
vs 74.0% South Carolina avg
-71% vs state
How Orange Grove Charter School compares with South Carolina and U.S. medians
Slightly above state median
15.8:1 - 1.5 above the South Carolina state median of 14.3:1, indicating larger average class loads than typical schools in the state.
Orange Grove Charter School is a large charter combined-grade school in Charleston, South Carolina, enrolling 1,170 students.
Class loads run somewhat heavier than typical: 15.8:1 puts it in the larger third of South Carolina schools by student-teacher ratio.
Comparatively few students face economic hardship here, 21.8% free-meal eligibility runs 71% below the South Carolina average.
By headcount it is one of the larger campuses in South Carolina, bigger than 92% of state schools at 1,170 students.
Its Resource Investment Index lands in the upper third of 1,214 scored South Carolina schools.
Against 89 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #20.
Its student body is predominantly White (81% of enrollment) (diversity index 33/100).
Counselor availability sits well past the ASCA benchmark, roughly 390 students sharing each counselor, though short of the most stretched campuses.
Attendance holds up well here: only 3.1% of students were chronically absent, below the typical post-pandemic national figure.
Among Charleston's public schools, it stands alongside Daniel Island School (1,151 students): Orange Grove Charter School is larger than that campus by headcount and runs heavier classes (15.8:1 vs 15.6:1).
Charleston 01 also operates Wando High (2,588 students) and Rb Stall High (2,135 students) alongside Orange Grove Charter 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
Orange Grove Charter School 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 | 15.8:1 | ▲ 10% | 14.3:1 | 15.7:1 |
| Free-lunch eligible | 21.8% | ▼ 71% | 74.0% | 51.7% |
| Enrollment | 1,170 | top 8% | - | - |
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 81.0% of enrollment.
Simpson diversity index - at 33.3, Orange Grove Charter School is less mixed than the South Carolina school average of 52.7.
District-wide per-pupil expenditure for Charleston 01, which includes Orange Grove Charter School.
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 |
|---|---|---|---|
| Wando High | Larger | Similar economic need | Similar S:T ratio |
| Rb Stall High | Larger | Higher economic need | Higher S:T ratio |
| West Ashley High | Larger | Higher economic need | Higher S:T ratio |
| Lucy Garrett Beckham High | Larger | Similar economic need | Higher S:T ratio |
| James Island Charter High | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Orange Grove Charter School's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) 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 Orange Grove Charter School'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.
Orange Grove Charter School has 1,170 students enrolled. It is a public school in Charleston, SC.
The student-teacher ratio at Orange Grove Charter School is 15.8:1, which is 10% higher than the South Carolina average of 14.3:1 and 1% higher than the national average of 15.7:1.
21.8% of students at Orange Grove Charter School are eligible for free lunch, compared to the South Carolina average of 74.0%.
The largest demographic group at Orange Grove Charter School is White at 81.0% of enrollment, in Charleston, SC.
Orange Grove Charter School has a Resource Investment Index of 55/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Orange Grove Charter School ranks #5 of 21 schools in Charleston, SC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Charleston on the city page.
Orange Grove Charter School earns 55/100 on the Resource Investment Index, with class sizes larger than 74% 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 Orange Grove Charter School, Charleston 01 also operates Wando High (2,588 students), Rb Stall High (2,135 students), and West Ashley High (2,069 students). See the Charleston 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, “Orange Grove Charter School, Charleston 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/orange-grove-charter-school-sc
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