Enrollment
1,073
Georgia · 2024-25 NCES data
High school (grades 9-12) · Lithonia, GA
Federal NCES profile for Miller Grove High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
The verdict
Miller Grove High School earns 34/100 on the Resource Investment Index, with class sizes near the Georgia median. It is also less racially and ethnically mixed than most Georgia schools.
Miller Grove High School has class sizes near the Georgia median. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Miller Grove High School ranks #2 of 4 high schools in Lithonia, GA.
NCES ID 130174003332 Verify on NCES CCD record →
Enrollment
1,073
Georgia · 2024-25 NCES data
Teachers (FTE)
74.0
Federal CCD staff survey
Students per teacher
14.5:1
vs 14.4:1 Georgia avg
+1% vs state
Free-lunch eligible
100.0%
vs 60.7% Georgia avg
+65% vs state
How Miller Grove High School compares with Georgia and U.S. medians
Slightly above state median
14.5:1 - 0.1 above the Georgia state median of 14.4:1, indicating larger average class loads than typical schools in the state.
Miller Grove High School is a high-poverty, mid-sized high school in Lithonia, Georgia, enrolling 1,073 students.
At 14.5:1, its student-teacher ratio sits close to the Georgia median, within a few percentage points of the 14.4:1 state norm, neither notably crowded nor notably small.
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 1,073 puts it in the larger third of Georgia schools by headcount.
Its Resource Investment Index lands in the lower third of 2,314 scored Georgia schools.
Against 209 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #66.
Its student body is predominantly African American (92% of enrollment), among the less diverse in the state (diversity index 16/100).
On the academic-pipeline side it reports 3 Advanced Placement courses.
Counselor coverage runs a bit thin, about 284 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 58.2% 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: 385 in- and out-of-school suspensions were reported for 1,073 students in the 2021-22 Civil Rights Data Collection.
Among Lithonia's high schools, it stands alongside Lithonia High School (1,547 students): Miller Grove High School is smaller than that campus by headcount and runs leaner classes (14.5:1 vs 18.6:1).
Dekalb County also operates Lakeside High School (2,234 students) and Dunwoody High School (2,012 students) alongside Miller Grove 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
Miller Grove 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 | 14.5:1 | ▲ 1% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 100.0% | ▲ 65% | 60.7% | 51.7% |
| Enrollment | 1,073 | top 16% | - | - |
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 91.6% of enrollment.
Simpson diversity index - at 15.7, Miller Grove High School is less mixed than the Georgia school average of 50.0.
District-wide per-pupil expenditure for Dekalb County, which includes Miller Grove 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 | 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 | Similar S:T ratio |
Comparisons are relative to Miller Grove 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 Miller Grove 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.
Miller Grove High School has 1,073 students enrolled. It is a high school in Lithonia, GA.
The student-teacher ratio at Miller Grove High School is 14.5:1, which is 1% higher than the Georgia average of 14.4:1 and 8% lower than the national average of 15.7:1.
100.0% of students at Miller Grove High School are eligible for free lunch, compared to the Georgia average of 60.7%.
The largest demographic group at Miller Grove High School is African American at 91.6% of enrollment, in Lithonia, GA.
Miller Grove High School has a Resource Investment Index of 34/100 (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, Miller Grove High School ranks #2 of 4 high schools in Lithonia, 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 Lithonia on the city page.
Miller Grove High School earns 34/100 on the Resource Investment Index, with class sizes near the Georgia median. 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 Miller Grove 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, “Miller Grove High School, Lithonia 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/miller-grove-high-school-ga
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