Stone Mountain High School

Stone Mountain High School is one of the mid-sized secondary schools in Stone Mountain, Georgia, run under DeKalb County, with 1,254 students on its rolls from grades 9 through 12.

Across the 131 schools in DeKalb County (92,088 students total), Stone Mountain High School accounts for its share of the district's footprint.

On demographics, Stone Mountain High School records that the largest single group is Black, at 68% of enrollment. Other groups include 17% Hispanic, 10% Asian, 3% multiracial, 2% White. The wider county runs roughly 51% Black, putting the school's mix noticeably more Black than the area baseline.

Looking at school resources, Staff filings list 78 full-time-equivalent teachers, which works out to roughly 16.1:1 students per teacher. The state averages around 15.2:1, so this campus is higher than the state norm typical. An estimated 100% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, DeKalb County runs at roughly 77%, so the school's eligibility rate is somewhat above the surrounding baseline.

After controlling for student poverty, Stone Mountain High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 25.7%; this one delivers 15.3%.

Zooming out to the county, DeKalb County reports that median household income runs about $80,644, roughly 47% of adults have completed at least a four-year degree, and roughly 10% of residents live below the federal poverty line. Stone Mountain High School is one of 154 public schools in DeKalb County (combined enrollment of about 102,960 students).

The closest other public school is Hambrick Elementary School, roughly 0.2 miles away. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Stone Mountain High School at 7th of 7; the average score across the group is 35.5%.

Stone Mountain High School operates from a suburban location.

Five-year trend. Over the past 7-year window, the student count ticked up 21%: 1,038 students in 2018 compared to 1,254 in 2025. Over the same period, the Black share ticked down from 79% to 68%.

On this page, the page collects discussion, questions, and updates around fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.