Enrollment
1,237
Georgia · 2024-25 NCES data
High school (grades 9-12) · Decatur, GA
Federal NCES profile for Southwest Dekalb High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
The verdict
Southwest Dekalb High School earns 35/100 on the Resource Investment Index, with class sizes larger than 73% of Georgia schools. It is also less racially and ethnically mixed than most Georgia schools.
Southwest Dekalb High School has class sizes larger than 73% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Southwest Dekalb High School ranks #4 of 4 high schools in Decatur, GA.
NCES ID 130174000679 Verify on NCES CCD record →
Enrollment
1,237
Georgia · 2024-25 NCES data
Teachers (FTE)
79.0
Federal CCD staff survey
Students per teacher
15.7:1
vs 14.4:1 Georgia avg
+9% vs state
Free-lunch eligible
100.0%
vs 60.7% Georgia avg
+65% vs state
How Southwest Dekalb High School compares with Georgia and U.S. medians
Slightly above state median
15.7:1 - 1.3 above the Georgia state median of 14.4:1, indicating larger average class loads than typical schools in the state.
Southwest Dekalb High School is a high-poverty, large high school in Decatur, Georgia, enrolling 1,237 students.
Class loads run somewhat heavier than typical: 15.7:1 puts it in the larger 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.
Enrollment of 1,237 puts it in the larger third of Georgia schools by headcount.
Its Resource Investment Index trails 96% of the 2,314 Georgia schools with a score on record, one of the lower results on this measure.
Among 147 similarly sized, similarly resourced-need Georgia schools statewide, it ranks #123, in the lower tier once campus size and economic need are matched.
Its student body is predominantly African American (94% of enrollment), among the less diverse in the state (diversity index 11/100).
On the academic-pipeline side it reports 13 Advanced Placement courses.
Counselor access is stretched at roughly 619 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 38.2% 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: 544 in- and out-of-school suspensions were reported for 1,237 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 high schools, it stands alongside Decatur High School (1,901 students): Southwest Dekalb High School is smaller than that campus by headcount and runs heavier classes (15.7:1 vs 15.5:1).
Dekalb County also operates Lakeside High School (2,234 students) and Dunwoody High School (2,012 students) alongside Southwest Dekalb High 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
Southwest Dekalb High 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 | 15.7:1 | ▲ 9% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 100.0% | ▲ 65% | 60.7% | 51.7% |
| Enrollment | 1,237 | top 12% | - | - |
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 94.1% of enrollment.
Simpson diversity index - at 11.3, Southwest Dekalb High School is less mixed than the Georgia school average of 50.0.
District-wide per-pupil expenditure for Dekalb County, which includes Southwest Dekalb High 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 | Similar S:T ratio |
| Chamblee High School | Larger | Lower economic need | Higher S:T ratio |
| Cross Keys High School | Larger | Lower economic need | Similar S:T ratio |
| Sequoyah Middle School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Southwest Dekalb High School's own figures; each column derives from NCES Common Core of Data.
3 comparable high schools (grades 9-12) 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 Southwest Dekalb High 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.
Southwest Dekalb High School has 1,237 students enrolled. It is a high school in Decatur, GA.
The student-teacher ratio at Southwest Dekalb High School is 15.7:1, which is 9% higher than the Georgia average of 14.4:1 and 0% higher than the national average of 15.7:1.
100.0% of students at Southwest Dekalb High School are eligible for free lunch, compared to the Georgia average of 60.7%.
The largest demographic group at Southwest Dekalb High School is African American at 94.1% of enrollment, in Decatur, GA.
Southwest Dekalb High School has a Resource Investment Index of 35/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Southwest Dekalb High School ranks #4 of 4 high 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 high schools in Decatur on the city page.
Southwest Dekalb High School earns 35/100 on the Resource Investment Index, with class sizes larger than 73% 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 Southwest Dekalb High 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.
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PlainSchools, “Southwest Dekalb High 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/southwest-dekalb-high-school-ga
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