Schooled (television) Comedy series set in the 1990s, premiering on ABC on Jan. 9, 2019. At William Penn Academy, new music teacher and WP graduate Lainey Lewis, Principal Glascott, Coach Mellor, and super-teacher Charlie Brown all have their eccentricities and crazy personal lives, but they are heroes to their students. Stars AJ Michalka (Lainey Lewis), Tim Meadows (Principal Glascott), Bryan Callen (Coach Mellor), Brett Dier (Charlie Brown). From Sony Pictures Television and ABC Studios.