Enrollment
1,224
Georgia · 2024-25 NCES data
High school (grades 9-12) · Lithonia, GA
Federal NCES profile for Arabia Mountain High School - Academy of Engineering- Medic, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
The verdict
Arabia Mountain High School - Academy of Engineering- Medic earns 46/100 on the Resource Investment Index, with class sizes larger than 93% of Georgia schools. It is also less racially and ethnically mixed than most Georgia schools.
Arabia Mountain High School - Academy of Engineering- Medic has class sizes larger than 93% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Arabia Mountain High School - Academy of Engineering- Medic ranks #1 of 4 high schools in Lithonia, GA.
NCES ID 130174003915 Verify on NCES CCD record →
Enrollment
1,224
Georgia · 2024-25 NCES data
Teachers (FTE)
66.0
Federal CCD staff survey
Students per teacher
18.5:1
vs 14.4:1 Georgia avg
+28% vs state
Free-lunch eligible
43.8%
vs 60.7% Georgia avg
-28% vs state
How Arabia Mountain High School - Academy of Engineering- Medic compares with Georgia and U.S. medians
Larger classes than state median
18.5:1 - 4.1 above the Georgia state median of 14.4:1, indicating larger average class loads than typical schools in the state.
Arabia Mountain High School - Academy of Engineering- Medic is a large high school in Lithonia, Georgia, enrolling 1,224 students.
Class loads run heavy: 18.5:1 is larger than about 93% of Georgia schools and 28% above the 14.4:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 43.8% of students eligible for free meals.
Enrollment of 1,224 puts it in the larger third of Georgia schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,314 scored Georgia schools.
Against 269 statewide peers matched on enrollment and economic need, it ranks mid-pack at #123.
Its student body is predominantly African American (94% of enrollment), among the less diverse in the state (diversity index 12/100).
On the academic-pipeline side it reports 13 Advanced Placement courses.
Counselor access is stretched at roughly 612 students per counselor, well above the ASCA-recommended 250:1 ceiling.
12.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Its district draws 15.7% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Lithonia's high schools, it stands alongside Lithonia High School (1,547 students): Arabia Mountain High School - Academy of Engineering- Medic is smaller than that campus by headcount and runs leaner classes (18.5:1 vs 18.6:1).
Dekalb County also operates Lakeside High School (2,234 students) and Dunwoody High School (2,012 students) alongside Arabia Mountain High School - Academy of Engineering- Medic.
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
Arabia Mountain High School - Academy of Engineering- Medic on the metrics families compare, against Georgia and U.S. means.
| Metric | This school | vs Georgia | Georgia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.5:1 | ▲ 28% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 43.8% | ▼ 28% | 60.7% | 51.7% |
| Enrollment | 1,224 | 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 93.8% of enrollment.
Simpson diversity index - at 11.9, Arabia Mountain High School - Academy of Engineering- Medic is less mixed than the Georgia school average of 50.0.
District-wide per-pupil expenditure for Dekalb County, which includes Arabia Mountain High School - Academy of Engineering- Medic.
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 | Similar economic need | Similar S:T ratio |
| Dunwoody High School | Larger | Lower economic need | Similar S:T ratio |
| Chamblee High School | Larger | Lower economic need | Similar S:T ratio |
| Cross Keys High School | Larger | Higher economic need | Lower S:T ratio |
| Sequoyah Middle School | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Arabia Mountain High School - Academy of Engineering- Medic'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 Arabia Mountain High School - Academy of Engineering- Medic'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.
Arabia Mountain High School - Academy of Engineering- Medic has 1,224 students enrolled. It is a high school in Lithonia, GA.
The student-teacher ratio at Arabia Mountain High School - Academy of Engineering- Medic is 18.5:1, which is 28% higher than the Georgia average of 14.4:1 and 18% higher than the national average of 15.7:1.
43.8% of students at Arabia Mountain High School - Academy of Engineering- Medic are eligible for free lunch, compared to the Georgia average of 60.7%.
The largest demographic group at Arabia Mountain High School - Academy of Engineering- Medic is African American at 93.8% of enrollment, in Lithonia, GA.
Arabia Mountain High School - Academy of Engineering- Medic has a Resource Investment Index of 46/100 (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, Arabia Mountain High School - Academy of Engineering- Medic ranks #1 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.
Arabia Mountain High School - Academy of Engineering- Medic earns 46/100 on the Resource Investment Index, with class sizes larger than 93% 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 Arabia Mountain High School - Academy of Engineering- Medic, 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, “Arabia Mountain High School - Academy of Engineering- Medic, 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/arabia-mountain-high-school-academy-of-engineering-medic-ga
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.