Summary:
ZIP code 30127 in Powder Springs, Georgia, is served by two public high schools—Hillgrove High School and McEachern High School—both part of the Cobb County School District, and both serving grades 9 through 12 with enrollments around 2,200 students each.
These two schools offer vastly different experiences despite being in the same district and community. Hillgrove High School is the clear standout, earning a 5-star rating for three consecutive years and ranking in the top 10% of Georgia high schools (40th of 455 in 2025-2026). Its graduation rate of 96.4% far exceeds the district (89.2%) and state (87.2%) averages, and its chronic absenteeism rate of 9.7% is remarkably low. Academically, Hillgrove outperforms both district and state averages in every subject—for example, 67.1% of students are proficient in Algebra I and 69.8% in Biology, compared to state rates of 48.1% and 47.2%, respectively. In contrast, McEachern High School holds a 3-star rating and ranks in the middle of the pack (192nd of 455). While its graduation rate of 91.2% is solid, its academic proficiency rates lag significantly—just 33.6% in Algebra I and 35.7% in Biology. McEachern also struggles with chronic absenteeism at 21.9%, more than double Hillgrove's rate.
The socioeconomic divide between the schools is stark: only 30.28% of Hillgrove students qualify for free/reduced lunch, compared to 69.33% at McEachern. Interestingly, McEachern actually spends more per student ($13,650 vs. $12,833), suggesting funding alone doesn't drive outcomes. McEachern does show a relative strength in U.S. History, with 51.1% proficiency exceeding the state average of 38.5%. Both schools improved in most subjects from 2024-2025 to 2025-2026, with McEachern's gains in Algebra I (26.7% to 33.6%) and Biology (32.6% to 35.7%) being encouraging signs. For families, this ZIP code presents two very different educational realities—one elite and one improving but challenged—making school choice a critical factor.
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