Enrollment
487
South Carolina · 2024-25 NCES data
Other / mixed grade configuration · Irmo, SC
Federal NCES profile for Irmo Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
The verdict
Irmo Elementary earns 52/100 on the Resource Investment Index, with class sizes smaller than 87% of South Carolina schools.
Irmo Elementary has class sizes smaller than 87% of South Carolina schools. Computed live against every South Carolina school reporting to NCES.
By Resource Investment Index, Irmo Elementary ranks #4 of 5 schools in Irmo, SC.
NCES ID 450282000755 Verify on NCES CCD record →
Enrollment
487
South Carolina · 2024-25 NCES data
Teachers (FTE)
44.0
Federal CCD staff survey
Students per teacher
11.1:1
vs 14.3:1 South Carolina avg
-22% vs state
Free-lunch eligible
39.4%
vs 74.0% South Carolina avg
-47% vs state
How Irmo Elementary compares with South Carolina and U.S. medians
Smaller classes than state median
11.1:1 - 3.2 below the South Carolina state median of 14.3:1, indicating smaller average class loads than typical schools in the state.
Irmo Elementary is a mid-sized combined-grade school in Irmo, South Carolina, enrolling 487 students.
Classes run notably small here: at 11.1:1, Irmo Elementary is leaner than roughly 87% of South Carolina schools and 22% under the state's 14.3:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 39.4% of students eligible for free meals.
With 487 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 65 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #14.
Its student body is led by White (58%) and African American (23%) (diversity index 60/100).
Counselor access is stretched at roughly 487 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 8.4% of students were chronically absent, below the typical post-pandemic national figure.
Among Irmo's public schools, it stands alongside H. E. Corley Elementary (557 students): Irmo Elementary is smaller than that campus by headcount and runs heavier classes (11.1:1 vs 9.3:1).
Lexington 05 also operates Dutch Fork High (1,703 students) and Chapin High (1,617 students) alongside Irmo 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
Irmo 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 | 11.1:1 | ▼ 22% | 14.3:1 | 15.7:1 |
| Free-lunch eligible | 39.4% | ▼ 47% | 74.0% | 51.7% |
| Enrollment | 487 | top 58% | - | - |
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 57.9% of enrollment.
Simpson diversity index - at 59.6, Irmo Elementary is more mixed than the South Carolina school average of 52.7.
District-wide per-pupil expenditure for Lexington 05, which includes Irmo Elementary.
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 |
|---|---|---|---|
| Dutch Fork High | Larger | Similar economic need | Higher S:T ratio |
| Chapin High | Larger | Higher economic need | Higher S:T ratio |
| Irmo High | Larger | Higher economic need | Similar S:T ratio |
| Spring Hill High | Larger | Similar economic need | Similar S:T ratio |
| Chapin Middle | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Irmo Elementary's own figures; each column derives from NCES Common Core of Data.
4 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 Irmo Elementary'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.
Irmo Elementary has 487 students enrolled. It is a public school in Irmo, SC.
The student-teacher ratio at Irmo Elementary is 11.1:1, which is 22% lower than the South Carolina average of 14.3:1 and 29% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
39.4% of students at Irmo Elementary are eligible for free lunch, compared to the South Carolina average of 74.0%.
The largest demographic group at Irmo Elementary is White at 57.9% of enrollment, in Irmo, SC. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.6/100.
Irmo Elementary has a Resource Investment Index of 52/100 (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, Irmo Elementary ranks #4 of 5 schools in Irmo, SC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Irmo on the city page.
Irmo Elementary earns 52/100 on the Resource Investment Index, with class sizes smaller than 87% 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 Irmo Elementary, Lexington 05 also operates Dutch Fork High (1,703 students), Chapin High (1,617 students), and Irmo High (1,272 students). See the Lexington 05 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, “Irmo Elementary, Irmo 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/irmo-elementary-sc
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