Miller Grove High School

Miller Grove High School operates as a mid-sized senior high in Lithonia, Georgia, run under DeKalb County. Current enrollment sits at 1,073 students spanning grades 9 through 12.

DeKalb County runs 131 schools in total, collectively educating 92,088 students. Miller Grove High School is one of those campuses.

Looking at the student body, Miller Grove High School lists that the student body is overwhelmingly Black (92%). Beyond that, the school records 6% Hispanic. By comparison, DeKalb County as a whole is about 51% Black, so the school skews noticeably more Black than its surroundings.

On the resource side, On paper, Miller Grove High School has 72 full-time-equivalent teachers, translating to a class-load average of around 14.9:1. That tracks the state average closely. An estimated 100% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. By comparison, DeKalb County runs at roughly 77%, so the school's eligibility rate is meaningfully above the surrounding baseline.

On a demographically-adjusted basis, Miller Grove High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 25.7%, the actual is 21.4%, a residual of -4.3 points.

In the broader community, DeKalb County reports that median household income runs about $80,644, about 47% of the adult population holds a bachelor's degree or above, and roughly 10% of residents live below the federal poverty line. Across DeKalb County's 154 public schools (combined enrollment of about 102,960 students), Miller Grove High School is one campus in the mix.

The closest other public school is Leadership Preparatory Academy, roughly 1.0 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 9 schools in that immediate cluster with test data (this one included), Miller Grove High School ranks 4th on composite proficiency, higher than the local average of 18.2%.

Geographically, the school is in an outer-ring area.

Looking at the recent track record. Miller Grove High School's enrollment has decreased 23% since 2018, when it stood at 1,388 (now 1,073). Class-load math has pulled in: from 15.9:1 in 2018 to 14.9:1 in 2025.

Inside the community feed, the page collects discussion, questions, and updates around science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.