- Enrollment
- 1,703
- Students per teacher
- 14.3:1
- Resource Index
- 50/100
Middle school (grades 6-8) · Columbia, SC
Irmo Middle
Federal NCES profile for Irmo Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 450282000758
👥 S:T ratio 56
🌟 Gifted program 70
🎓 Counselors 50
📋 Attendance 38
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Irmo Middle earns 54/100 on the Resource Investment Index, with class sizes smaller than 87% of South Carolina schools.
- #2 of 11
- middle schools in Columbia · Resource Index
- 54
- Resource Index · Higher
- 11:1
- small classes for South Carolina
- 100.0%
- free-lunch eligible
Irmo Middle 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 Middle ranks #2 of 11 middle schools in Columbia, SC.
School address
District: Lexington 05 · South Carolina
NCES ID 450282000758 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-22 students YoY
Irmo Middle held near 989 students from 2022-23 to 2023-24 (-22 headcount).
Teacher FTE added 90.0 → 93.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-22 students YoY 450282000758 · Columbia, SC Middle · MID · TRAD
992 enr · 11:1 · 100.0% lunch · RII 54
Nearest enrollment peer: Dutch Fork High (1,703 students)
Irmo Middle held near 989 students from 2022-23 to 2023-24 (-22 headcount). Teacher FTE added 90.0 → 93.0 across the same CCD years. Read with this school → · District book → · South Carolina schools → · Find another →
Irmo Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Dutch Fork Hig
Dutch Fork High
1,703 students
- Chapin High
Chapin High
1,617 students
- Irmo High
Irmo High
1,272 students
- Spring Hill Hi
Spring Hill High
1,118 students
- Chapin Middle
Chapin Middle
1,007 students
- This school
Irmo Middle
992 students
What this shows Irmo Middle reports 992 students on the CCD universe file.
How Irmo Middle compares
Irmo Middle held steady on CCD headcount: ratios and free-lunch share vs South Carolina and U.S. means.
| Metric | This school | vs South Carolina | South Carolina avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11:1 | ▼ 23% | 14.3:1 | 15.7:1 |
| Free-lunch eligible | 100.0% | ▲ 35% | 74.0% | 51.7% |
| Enrollment | 992 | top 13% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11:1
Leaner classes than 83% of US schools, among the more generously staffed nationally.
992
Bigger than 91% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
100.0%
free-lunch eligible
- 35% above 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
11:1
students per teacher
- 23% below state mean
Top 13% in South Carolina - lower ratio than 87% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
24.6%
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
$14,799
per pupil, district-wide
- below South Carolina avg of $15,911
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors4.0 FTE
Per 248 students, the combined health-and-guidance staffing load for this school.
Discipline context
129
in-school suspensions + 205 out-of-school
Suspension rate: 13.0 per 100 students. Combined in-school and out-of-school rate: 33.7 per 100 students. Reported via the Civil Rights Data Collection. Includes 14 expulsions.
Student demographics
African American 44.3%
White 33.8%
Two or More 9.4%
Hispanic or Latino 8.6%
Asian 3.6%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: African American at 44.3% of enrollment.
Student-body diversity index 67.2/100
Simpson diversity index - at 67.2, Irmo Middle is more mixed than the South Carolina school average of 52.7.
Programs
Gifted & talented Yes
District finance for Lexington 05 reports $14,799 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Irmo Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Dutch Fork High | Larger | Lower economic need | Higher S:T ratio |
| Chapin High | Larger | Similar economic need | Higher S:T ratio |
| Irmo High | Larger | Similar economic need | Similar S:T ratio |
| Spring Hill High | Similar size | Lower economic need | Similar S:T ratio |
| Chapin Middle | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Irmo Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,617
- Students per teacher
- 15.5:1
- Resource Index
- 52/100
- Enrollment
- 1,272
- Students per teacher
- 11.9:1
- Resource Index
- 49/100
- Enrollment
- 1,118
- Students per teacher
- 12.3:1
- Resource Index
- 60/100
- Enrollment
- 1,007
- Students per teacher
- 14.2:1
- Resource Index
- 54/100
Similar middle schools in Columbia
6 comparable middle schools (grades 6-8) serving the same city.
Dent Middle
Standard public school
1,059 students 12.8:1 students per teacher
Crayton Middle
Standard public school
952 students 14.2:1 students per teacher
Longleaf Middle
Standard public school
796 students 13.3:1 students per teacher
Hand Middle
Standard public school
755 students 13.2:1 students per teacher
St. Andrews Middle
Standard public school
627 students 12.3:1 students per teacher
Crossroads Intermediate
Standard public school
557 students 9.6:1 students per teacher
Nationwide middle schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~992 students)
Frequently asked questions about Irmo Middle
How many students attend Irmo Middle?
Irmo Middle has 992 students enrolled. It is a middle school in Columbia, SC. CCD year-over-year: 1,011 (2022-23) → 989 (2023-24), nearly flat (-22).
What is the student-teacher ratio at Irmo Middle?
The student-teacher ratio at Irmo Middle is 11:1, which is 23% lower than the South Carolina average of 14.3:1 and 30% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Irmo Middle?
100.0% of students at Irmo Middle are eligible for free lunch, compared to the South Carolina average of 74.0%.
What is the racial and ethnic makeup of Irmo Middle?
The largest demographic group at Irmo Middle is African American at 44.3% of enrollment, in Columbia, SC. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.2/100.
What is the Resource Investment Index for Irmo Middle?
Irmo Middle has a Resource Investment Index of 54/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Irmo Middle rank among middle schools in Columbia?
By Resource Investment Index, Irmo Middle ranks #2 of 11 middle schools in Columbia, SC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Columbia on the city page.
What other schools are in Lexington 05?
Besides Irmo Middle, 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.