The Theatre School at DePaul University, previously the Goodman School of Drama (also known as TTS and GSD, respectively) is the drama school of DePaul University. Originally associated with the Goodman Theatre, its first class was conducted at the Art Institute of Chicago in 1925. The school officially became part of DePaul University in 1978, and was renamed The Theatre School at DePaul University in 1982. It moved to its location at Lincoln Park in 2013.

The Theatre School enrolls approximately 450 students. The Theatre School's main performance spaces are the Merle Reskin Theatre (formerly Blackstone Theatre) in Downtown Chicago, the Healy BlackBox theatre, and the Watts Theater in the Lincoln Park Campus.