Summary:
Zip code 30338 in Dunwoody, GA, is served by a single high school, Dunwoody High School, which enrolls approximately 2,012 students in grades 9–12 as part of the DeKalb County School District.
Dunwoody High School presents a mixed academic profile. Its strongest performances come in science and literacy: in 2025–2026, 52.1% of students scored proficient in Biology, outpacing both the district (39.3%) and state (47.2%), and in 2024–2025, 51.1% were proficient in American Literature, well above the state average of 40.4%. However, math is a clear weakness—only 27% of students were proficient in Algebra I in 2025–2026, a full 21 points below the state average. The school also maintains a very low dropout rate of 1.7%, less than half the state rate, and its graduation rate of 82.8% slightly exceeds the district average. Despite these strengths, the school’s state ranking has slipped from 140th (69th percentile) in 2024–2025 to 206th (55th percentile) in 2025–2026, even though its test scores have remained relatively stable, suggesting broader statewide improvements rather than a sharp decline in performance.
The most pressing concern is chronic absenteeism: 33% of students are chronically absent, nearly double the state average of 17.7% and well above the district’s 26.7%. This likely contributes to the school’s math struggles and ranking slide. With per-student spending of $17,460 and a student-teacher ratio of 16.4:1, the school invests substantial resources, yet outcomes in Algebra I and U.S. History lag state averages. Within the lower-performing DeKalb County district (ranked in the bottom third statewide), Dunwoody High School stands out as a relative bright spot, particularly in Biology and literacy. For parents, the school offers strong science and English instruction and excellent student retention, but addressing attendance and math proficiency will be key to reversing its recent ranking decline.
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