Melvin Johnson defeated Denise McGill Tuesday night in the DeKalb school board District 6 runoff.
With all 24 precincts reporting, Johnson won the contest with 66 percent of the vote, compared to McGill's 34 percent.
District 6 includes much of Stone Mountain and the surrounding community.
The District 6 seat was formerly held by Thomas Bowen, who decided not to seek re-election. Bowen also served as chair of the DeKalb County school board.
Schools in District 6 are Stephenson and Stone Mountain high schools; Freedom, Stephenson and Stone Mountain middle schools, and Hambrick, E.L. Miller, Pine Ridge, Redan, Rock Chapel, Rockbridge, Shadow Rock, Stone Mill and Stone Mountain elementary schools and Wynbrooke Theme School.