Many notable figures have spoken at Parker during the school's tri-weekly assemblies known as "Morning Exercise," including Barack Obama, Albert Einstein, Jane Addams, and John Lewis. In addition, the Chicago Humanities Festival frequently utilizes Parker's auditorium for guest speakers. Doris Kearns Goodwin, Camille Paglia, and Ta-Nehisi Coates have all spoken at Parker's Heller Auditorium for the festival.
