The performing arts department at LPHS consists of over 1,200 students and offers nine curricular choirs, five bands, four orchestras, A.P. music theory, piano lab, and many extra-curricular ensembles. The ensembles perform at many events throughout the school year including the IHSA solo and ensemble contest where they have been awarded multiple Superior and Honors Superior rankings.
The program is currently ranked 3rd (1st in CPS) among all of the music department in the state of Illinois. In 2014, the school was selected as the inaugural CPS school to offer the International Baccalaureate Career Programme in performing arts.