DeKalb County
Stone Mountain, GA · 131 schools · 92,368 students
Largest Schools
Schools ranked by enrollment. Proficiency data from EDFacts where available.
Frequently Asked Questions
DeKalb County has 131 schools serving 92,368 students. The average proficiency rate across the district is 39%. The average graduation rate is 74%.
DeKalb County operates 131 public schools, including Lakeside High School, Dunwoody High School, Chamblee High School, Sequoyah Middle School, Cross Keys High School and others. The full school list is shown above with enrollment and grade-level details.
The average graduation rate across high schools in DeKalb County is approximately 74% (EDFacts district-level data, most recent reporting year). Individual school graduation rates may vary; this is a district-wide adjusted-cohort graduation rate.
The largest school in DeKalb County is Lakeside High School with 2,141 students.
DeKalb County serves 92,368 students across 131 schools in GA, per the latest NCES Common Core of Data enrollment.
DeKalb County's average proficiency rate of 39% (math and reading combined, EDFacts) is below average and may indicate room for improvement. "Good" depends on what you value — proficiency is one signal; enrollment trends, class size, graduation rates, and district resources also matter. Check individual school pages for granular data.
Student-teacher ratios are reported at the school level by NCES, not aggregated at the district level in our dataset. Open any individual school page in DeKalb County to see its specific student-teacher ratio. The US national average is approximately 16:1 for public schools.
All data comes from the National Center for Education Statistics (NCES) Common Core of Data (enrollment, school count, demographics) and EDFacts assessment results (proficiency rates, graduation rates). Proficiency and graduation rates are reported at the district level. Both are federal sources used by the US Department of Education.
School performance data is sourced from NCES enrollment records and EDFacts proficiency and graduation rate assessments.
this entity is one of the data points covered by this site’s U.S. K-12 school outcomes and enrollment dataset. The detail above comes directly from NCES Common Core of Data and EDFacts; the context that follows situates the headline numbers against the broader distribution across U.S. public schools and districts.
The methodology behind every numeric value on this page is publicly documented on the NCES Common Core of Data and EDFacts portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. public schools and districts. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.