Columbia High School

Columbia High School is one of the low-enrollment 9-12 campuss in Decatur, Georgia, run under DeKalb County, with 877 students on its rolls from grades 9 through 12. Compared to the state average of about 1,120 students per school, that is 22% below typical.

Within DeKalb County, which oversees 131 schools and 92,088 students, Columbia High School is one campus in the system.

On demographics, Columbia High School shows that 92% of students identify as Black, making the school strongly Black-majority; the rest is composed of 5% Hispanic. The wider county runs roughly 51% Black, putting the school's mix noticeably more Black than the area baseline.

Looking at the economic backdrop, The school currently runs with 63 full-time-equivalent teachers, for a student-teacher ratio near 13.9:1. That figure is tighter than the state norm's 15.2:1 average. About 100% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against DeKalb County (around 77%), the school's rate is somewhat above typical.

With demographic context factored in, Columbia High School tracks the demographic baseline. The model predicts 25.7% given the school's FRL share; actual proficiency is 15.7%.

Zooming out to the county, community-level numbers for DeKalb County indicate median household income runs about $80,644, roughly 47% of adults have completed at least a four-year degree, and the poverty rate sits near 10%. Across DeKalb County's 154 public schools (combined enrollment of about 102,960 students), Columbia High School is one campus in the mix.

Nearest neighbor: Snapfinger Elementary School, around 0.3 miles off. Counting just inside five miles, 8 other public schools cluster around Columbia High School. Among the 8 schools in that immediate cluster with test data (this one included), Columbia High School ranks 5th on composite proficiency, behind the local average of 28.0%.

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

Trend over the last 7 years. Over the past 7-year window, the student count ticked down 14%: 1,017 students in 2018 compared to 877 in 2025. The Black share of enrollment contracted from 97% to 92% over that span.

On the community side, recent activity here tends to focus on enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.