Excellent
#24 of 1,176 schools in SC
Top 2% in state
Irmo High
High School · Lexington 05
6671 St. Andrews Road, Columbia, SC 29212
Enrollment
1,268
Student-Teacher
12.2:1
Score
8.7
Grades
9th – 12th
Enrollment
1,268
Student-Teacher
12.2:1
Score
8.7
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Columbia
#3 of 72
public schools
South Carolina high schools
#8 of 216
In district
#2 of 22
Lexington 05
School environment
8.8 / 10
Exceptional
About Irmo High
Irmo High is a public high school in Columbia, SC, part of the Lexington 05. The school serves approximately 1,268 students in grades 9th – 12th with a student-teacher ratio of 12.2:1. It holds a MySchoolScout rating of 8.7/10, placing it in the 98th percentile among SC schools — an above average rating overall.
Students demonstrate 31% proficiency in math and 76% in reading/language arts. The school scores particularly well in school environment (8.8/10). Located in a neighborhood with a median household income of $74,652, where 46% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
What's said publicly about Irmo High
Synthesized from public, attributable sources. Updated May 2026.
Sources (1)
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Irmo High — Students at Irmo High score 53% proficient, which is above what's typical for similar communities (expected: 36%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
100%
Students qualifying for federal meal assistance
Test Scores SC EDFACTS (2021-22)
Based on 6 test records from SC state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 7.8/10.
How Irmo High Compares
See how Irmo High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2020-21 · Source: CRDC via Urban Institute · Learn more
Performance Trends
Math proficiency has declined from 39% (2019) to 26% (2022). Reading/ELA proficiency has improved from 65% (2019) to 80% (2022).
Location
6671 St. Andrews Road, Columbia, SC 29212
Nearby Alternatives
Families considering Irmo High may also want to explore other high schools in the area. River Bluff High (rated 8.5/10, 3.1 miles away, in nearby Lexington), with a very similar rating. Another option is Harbison West Elementary (rated 7.8/10, 1.2 miles away), with a comparable rating. Additionally, Dutch Fork Elementary (rated 7.5/10, 2.7 miles away, in nearby Irmo), a more accessible option. For more schools in Columbia, see our Columbia schools guide .
Nearby Schools
20 within 4.3 mi| School | Distance | Rating |
|---|---|---|
| Irmo Middle Columbia | 0.3 mi | 6.6 |
| CrossRoads Intermediate Columbia | 0.4 mi | 4.1 |
| Harbison West Elementary Columbia | 1.2 mi | 7.8 |
| Nursery Road Elementary Columbia | 1.1 mi | 5.3 |
| Irmo Elementary Irmo | 1.3 mi | 6.9 |
| Leaphart Elementary Columbia | 1.4 mi | 6.0 |
| UNION UMC KINDERGARTEN Irmo | 1.7 mi | — |
| GREEN Charter School Midlands Irmo | 2.5 mi | 4.7 |
| Dutch Fork Elementary Irmo | 2.7 mi | 7.5 |
| River Bluff High Lexington | 3.1 mi | 8.5 |
| BEN LIPPEN SCHOOL Columbia | 2.9 mi | 5.3 |
| Seven Oaks Elementary Columbia | 3.2 mi | 4.1 |
| H. E. Corley Elementary Irmo | 3.4 mi | 6.4 |
| SCDJJ Evaluation and Detention Center Columbia | 3.1 mi | 7.1 |
| VICTORY BIBLE CHRISTIAN SCHOOL Irmo | 3.7 mi | 5.5 |
| Pine Grove Elementary Columbia | 3.3 mi | 5.1 |
| NORTHSIDE CHRISTIAN ACADEMY Lexington | 4.1 mi | 5.1 |
| Midway Elementary Lexington | 3.9 mi | 7.0 |
| SC Connections Academy Columbia | 3.7 mi | 2.6 |
| Meadow Glen Middle Lexington | 4.3 mi | 7.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 29212 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$74,652
Median Home Value
$222,200
Median Rent
$1,359/mo
Population
27,701
College Educated
45.7%
Homeownership
70.1%
Avg Commute
25.7 min
Poverty Rate
8.2%
Median Age
41.3
Community Profile
The community surrounding Irmo High has a median household income of $74,652. It is a well-educated community where 46% of adults hold a bachelor's degree or higher. The median home value in the area is $222,200, with a median rent of $1,359/month. The local poverty rate of 8.2% is relatively low. The average commute for residents is 26 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Richland Northeast High Columbia, SC | 8.7 |
| South Pointe High Rock Hill, SC | 8.7 |
| Waccamaw High Pawleys Island, SC | 8.7 |
| Chapin High Chapin, SC | 8.6 |
| James Island Charter High Charleston, SC | 8.6 |
| Spring Hill High Chapin, SC | 8.8 |
Frequently Asked Questions
Common questions about Irmo High
What grades does Irmo High serve?
Irmo High serves students in grades 9th through 12th.
How many students attend Irmo High?
Irmo High has an enrollment of approximately 1,268 students.
What is the student-teacher ratio at Irmo High?
The student-teacher ratio at Irmo High is 12.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Irmo High rank in SC?
Irmo High is ranked #24 out of 1,176 schools in SC.
What is Irmo High's MySchoolScout rating?
Irmo High has a composite rating of 8.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Irmo High?
Based on the most recent state assessment data, Irmo High has 30.7% math proficiency and 75.7% reading/ELA proficiency.
Is Irmo High a charter school?
No, Irmo High is not a charter school. It is a traditional public school operated by the local school district.
Is Irmo High a Title I school?
No, Irmo High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Irmo High?
100.0% of students at Irmo High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Columbia). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,268
- Student-Teacher Ratio
- 12.2:1
- Teachers (FTE)
- 104
- Free/Reduced Lunch
- 100.0%
- Type
- regular
- Setting
- Large Suburb
- County
- Lexington County
- Phone
- (803) 476-5000
- Data Year
- 2023–2024
Resources & Links
District
Lexington 05- District Enrollment
- 17,278
- Schools in District
- 23
- Per-Pupil Spending
- $14,799
- District Rank
- #2 of 22
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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