Enrollment
497
South Carolina · 2024-25 NCES data
Other / mixed grade configuration · Sullivan's Island, SC
Sullivan's Island Elementary
Federal NCES profile for Sullivan's Island Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataOther / mixed grade configurationNCES 450144000234
👥 S:T ratio 42
🌟 Gifted program 70
🎓 Counselors 1
📋 Attendance 90
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sullivan's Island Elementary earns 51/100 on the Resource Investment Index, with class sizes near the South Carolina median. It is also less racially and ethnically mixed than most South Carolina schools.
- 51
- Resource Index · Higher
- 14.6:1
- students per teacher
- 8.0%
- free-lunch eligible
- 497
- students enrolled
Sullivan's Island Elementary has class sizes near the South Carolina median. Computed live against every South Carolina school reporting to NCES.
School address
District: Charleston 01 · South Carolina
NCES ID 450144000234 Verify on NCES CCD record →
Teachers (FTE)
34.0
Federal CCD staff survey
Students per teacher
14.6:1
vs 14.3:1 South Carolina avg
+2% vs state
Free-lunch eligible
8.0%
vs 74.0% South Carolina avg
-89% vs state
Student-teacher ratio in context
How Sullivan's Island Elementary compares with South Carolina and U.S. medians
What stands out at Sullivan's Island Elementary
Sullivan's Island Elementary is a lower-poverty, mid-sized combined-grade school in Sullivan's Island, South Carolina, enrolling 497 students.
At 14.6:1, its student-teacher ratio sits close to the South Carolina median, within a few percentage points of the 14.3:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 8.0% free-meal eligibility runs 89% below the South Carolina average.
With 497 students, its enrollment sits close to the South Carolina median campus size.
Its Resource Investment Index lands in the upper third of 1,214 scored South Carolina schools.
Against 33 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #12.
Its student body is predominantly White (91% of enrollment), among the less diverse in the state (diversity index 17/100).
Counselor access is stretched at roughly 497 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 4.0% of students were chronically absent, below the typical post-pandemic national figure.
Charleston 01 also operates Wando High (2,588 students) and Rb Stall High (2,135 students) alongside Sullivan's Island Elementary.
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 Sullivan's Island Elementary compares
Sullivan's Island Elementary 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 | 14.6:1 | ▲ 2% | 14.3:1 | 15.7:1 |
| Free-lunch eligible | 8.0% | ▼ 89% | 74.0% | 51.7% |
| Enrollment | 497 | top 57% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.6:1
Leaner classes than 51% of US schools, a middle-of-the-pack class size.
497
Bigger than 61% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
8.0%
free-lunch eligible
- 89% below the South Carolina average of 74.0%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.6:1
students per teacher
- 2% above state mean
Top 58% in South Carolina - lower ratio than 42% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
4.0%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$15,213
per pupil, district-wide
- above South Carolina avg of $14,558
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 497 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.4 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 90.9%
Hispanic or Latino 5.2%
Two or More 2.4%
African American 0.8%
Asian 0.2%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 90.9% of enrollment.
Student-body diversity index 17.0/100
Simpson diversity index - at 17.0, Sullivan's Island Elementary is less mixed than the South Carolina school average of 52.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Charleston 01, which includes Sullivan's Island Elementary.
$15,213
Per student
+4%
vs South Carolina
Avg $14,558
-8%
vs U.S.
Avg $16,593
Revenue mix
Local 59.0%
State 27.7%
Federal 13.3%
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 Sullivan's Island Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Wando High | Larger | Similar economic need | Higher 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 Sullivan's Island Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,588
- Students per teacher
- 17:1
- Resource Index
- 39/100
- Enrollment
- 2,135
- Students per teacher
- 17.4:1
- Resource Index
- 43/100
- Enrollment
- 2,069
- Students per teacher
- 18.6:1
- Resource Index
- 41/100
- Enrollment
- 1,757
- Students per teacher
- 18.9:1
- Resource Index
- 40/100
- Enrollment
- 1,612
- Students per teacher
- 15.2:1
- Resource Index
- 55/100
Similar other 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 (~497 students)
Next steps
Verify locally before acting on Sullivan's Island Elementary's federal record.
- Compare Sullivan's Island Elementary against another school. Compare schools
- Charleston 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 Sullivan's Island Elementary
How many students attend Sullivan's Island Elementary?
Sullivan's Island Elementary has 497 students enrolled. It is a public school in Sullivan's Island, SC.
What is the student-teacher ratio at Sullivan's Island Elementary?
The student-teacher ratio at Sullivan's Island Elementary is 14.6:1, which is 2% higher than the South Carolina average of 14.3:1 and 7% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Sullivan's Island Elementary?
8.0% of students at Sullivan's Island Elementary are eligible for free lunch, compared to the South Carolina average of 74.0%.
What is the racial and ethnic makeup of Sullivan's Island Elementary?
The largest demographic group at Sullivan's Island Elementary is White at 90.9% of enrollment, in Sullivan's Island, SC.
What is the Resource Investment Index for Sullivan's Island Elementary?
Sullivan's Island Elementary has a Resource Investment Index of 51/100 (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).
Is Sullivan's Island Elementary a good school?
Sullivan's Island Elementary earns 51/100 on the Resource Investment Index, with class sizes near the South Carolina median. It is also less racially and ethnically mixed than most 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.
What other schools are in Charleston 01?
Besides Sullivan's Island Elementary, 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.
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.