Lithonia High School

Lithonia High School is a mid-tier secondary school in Lithonia, Georgia, run under DeKalb County. The school educates 1,547 students in grades 9 through 12. By comparison, Georgia's public schools average about 1,120 students each, so Lithonia High School sits 38% bigger than that benchmark.

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

On the student-mix side, Lithonia High School records that 88% of students identify as Black, making the school strongly Black-majority. Other groups include 7% Hispanic, 2% multiracial. That is noticeably more Black than the county at large, where the share is closer to 51%.

On the income-and-resources front, Staff filings list 95 full-time-equivalent teachers, which works out to roughly 16.3:1 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, a commonly cited indicator of low-income enrollment. That share is above DeKalb County's rate of about 77%.

Adjusting for the school's free-and-reduced-lunch share, Lithonia High School tracks the demographic baseline. The model predicts 25.7% given the school's FRL share; actual proficiency is 21.6%.

Across the wider county, the surrounding county (DeKalb County) reports that the typical household earns roughly $80,644 per year, roughly 47% of adults have completed at least a four-year degree, and roughly 10% of residents live below the federal poverty line. In all, DeKalb County runs 154 public schools (combined enrollment of about 102,960 students), of which Lithonia High School is one.

The closest other public school is Lithonia Middle School, roughly 1.3 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Lithonia High School at 3rd of 9; the average score across the group is 19.5%.

The campus sits in a commuter-belt setting.

Over the past 7-year window. Over the past 7-year window, the student count rose 17%: 1,327 students in 2018 compared to 1,547 in 2025.

In the discussion threads here, the page collects discussion, questions, and updates around school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.