The Breen Center opened in August of 2009. It was designed to meet the architectural, acoustic, and theatrical needs of the student body, and greater Saint Ignatius High School community, serving students involved with all performing arts. Areas available for rental include a theater, stage, lobby, box office, concession stand, dressing rooms, rehearsal room and orchestra pit. There are no catering facilities at the Breen Center. The theater seats 536 audience members, reduced by two for each wheelchair up to six wheelchairs. The seats are numbered for reserved seating events. The parking lot accommodates 150 cars and 200 more are accommodated in an adjacent lot.
The Proscenium is 48’-0” wide and 25’-0” high. There are two proscenium extensions that will shrink the proscenium opening to 38’-0” wide. Stage depth from Proscenium to the upstage wall is 36’-10”. There is 10’-8” downstage of the Proscenium when the orchestra pit cover is installed. The pit cover is standard. The SR and SL wings are 18’-0” wide by 36’-10” deep.