Enrollment
571
Georgia · 2024-25 NCES data
Middle school (grades 6-8) · Decatur, GA
Federal NCES profile for Columbia Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
The verdict
Columbia Middle School earns 46/100 on the Resource Investment Index, with class sizes smaller than 82% of Georgia schools. It is also less racially and ethnically mixed than most Georgia schools.
Columbia Middle School has class sizes smaller than 82% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Columbia Middle School ranks #3 of 8 middle schools in Decatur, GA.
NCES ID 130174002480 Verify on NCES CCD record →
Enrollment
571
Georgia · 2024-25 NCES data
Teachers (FTE)
48.0
Federal CCD staff survey
Students per teacher
11.9:1
vs 14.4:1 Georgia avg
-17% vs state
Free-lunch eligible
100.0%
vs 60.7% Georgia avg
+65% vs state
How Columbia Middle School compares with Georgia and U.S. medians
Smaller classes than state median
11.9:1 - 2.5 below the Georgia state median of 14.4:1, indicating smaller average class loads than typical schools in the state.
Columbia Middle School is a high-poverty, mid-sized middle school in Decatur, Georgia, enrolling 571 students.
Class sizes run a bit leaner than typical: 11.9:1 puts it in the smaller third of Georgia schools by student-teacher ratio.
Economic need is high: 100.0% of students qualify for free meals, 65% above the Georgia average, a Title I-weighted population that federal funding formulas prioritise.
With 571 students, its enrollment sits close to the Georgia median campus size.
Its Resource Investment Index lands in the upper third of 2,314 scored Georgia schools.
Against 430 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #68.
Its student body is predominantly African American (90% of enrollment), among the less diverse in the state (diversity index 19/100).
Counselor coverage is strong, about 190 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 78.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 15.7% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 191 in- and out-of-school suspensions were reported for 571 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Decatur's middle schools, it stands alongside Beacon Hill Middle School (1,285 students): Columbia Middle School is smaller than that campus by headcount and runs leaner classes (11.9:1 vs 13.2:1).
Dekalb County also operates Lakeside High School (2,234 students) and Dunwoody High School (2,012 students) alongside Columbia Middle 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
Columbia Middle School on the metrics families compare, against Georgia and U.S. means.
| Metric | This school | vs Georgia | Georgia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.9:1 | ▼ 17% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 100.0% | ▲ 65% | 60.7% | 51.7% |
| Enrollment | 571 | top 59% | - | - |
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: African American at 89.8% of enrollment.
Simpson diversity index - at 19.0, Columbia Middle School is less mixed than the Georgia school average of 50.0.
District-wide per-pupil expenditure for Dekalb County, which includes Columbia Middle 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 |
|---|---|---|---|
| Lakeside High School | Larger | Lower economic need | Higher S:T ratio |
| Dunwoody High School | Larger | Lower economic need | Higher S:T ratio |
| Chamblee High School | Larger | Lower economic need | Higher S:T ratio |
| Cross Keys High School | Larger | Lower economic need | Higher S:T ratio |
| Sequoyah Middle School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Columbia Middle School's own figures; each column derives from NCES Common Core of Data.
6 comparable middle schools (grades 6-8) serving the same city.
Matched by enrollment size and by staffing ratio across all of Georgia, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Columbia Middle 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.
Columbia Middle School has 571 students enrolled. It is a middle school in Decatur, GA.
The student-teacher ratio at Columbia Middle School is 11.9:1, which is 17% lower than the Georgia average of 14.4:1 and 24% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
100.0% of students at Columbia Middle School are eligible for free lunch, compared to the Georgia average of 60.7%.
The largest demographic group at Columbia Middle School is African American at 89.8% of enrollment, in Decatur, GA.
Columbia Middle School has a Resource Investment Index of 46/100 (typical 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, Columbia Middle School ranks #3 of 8 middle schools in Decatur, GA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Decatur on the city page.
Columbia Middle School earns 46/100 on the Resource Investment Index, with class sizes smaller than 82% of Georgia schools. It is also less racially and ethnically mixed than most Georgia 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 Columbia Middle School, Dekalb County also operates Lakeside High School (2,234 students), Dunwoody High School (2,012 students), and Chamblee High School (1,867 students). See the Dekalb County 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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Columbia Middle School, Decatur GA.” 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/columbia-middle-school-ga-2
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.