St. Theresa School offers a school musical as an opportunity for student performance. Most involvement is limited to middle school ages, but occasionally exceptions are made based upon casting requirements of the play selected. Students are cast based upon open auditions. Technical assistance is also an opportunity for some students to contribute. Not all students are selected, as there are space and organizational limits in which the play must operate. Typically the play is cast in December, with rehearsals starting immediately after the Christmas break, and is performed the weekend before Easter.