Summary:
Zip code 30030 in Decatur, GA, is served by a single high school—Decatur High School—which enrolls 1,901 students in grades 9–12 as part of the City Schools of Decatur district.
Decatur High School is a standout performer with clear upward momentum. Its state ranking has improved from 55th (2023-2024) to 44th (2024-2025) and now 30th out of roughly 455 Georgia high schools, earning a 5-star rating. The school graduates 96.0% of its students—8.8 points above the state average—and has a low dropout rate of 1.1%. Academically, it far exceeds state proficiency averages in every tested subject: Biology leads at 78.2% (31 points above the state), followed by Algebra I at 67.2% (+19.1 points) and U.S. History at 56.2% (+17.7 points). The most striking trend is Algebra I, which jumped 21.9 percentage points in a single year, from 45.3% to 67.2%. Biology and U.S. History scores exactly match the district average, reflecting that this school drives district results. The school is well-resourced, spending $17,609 per student with a favorable 14.3:1 student-teacher ratio and a low poverty rate (16.57% free/reduced lunch).
One area of concern is chronic absenteeism: at 16.2%, it is slightly better than the state (17.7%) but 70% higher than the district average (9.5%). While U.S. History is the relative weak point, it still outperforms the state by nearly 18 points. English Language Arts scores are not yet available, as Georgia will release those results in December, so no conclusions should be drawn about that subject. Overall, Decatur High School offers strong academics, excellent graduation outcomes, and improving test scores, making it a compelling choice for families—though addressing absenteeism could further strengthen its performance.
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