TMDb/Abbott Elementary Celebrity Mr. Johnson's romance heats up! William Stanford Davis teases the return of Miss Carroll in Abbott Elementary Season 6. Will their charming connection continue? April 12, 2026 AceShowbiz - Abbott Elementary fans can look forward to more developments in Mr. Johnson's romantic life as actor William Stanford Davis teases a surprise return of his character's love interest in the upcoming sixth season. The hit ABC comedy introduced a new custodian character, Miss Carroll, played by Khandi Alexander, during the fifth season.