ST.PETRONILLE SCHOOL CATHOLIC Extraordinary Catholic Faith Formation Balanced Curriculum that includes STEM, Health & Spanish SCHOOLS WE TEACH MORE. Vibrant Differentiated Learning Environment DIOCESE OF JOLIET Technology Integration, Hands-on Learning 425 Prospect Ave. Glen Ellyn, IL School-wide Service Program SB .Band, Chorus & Annual Musical Production 630-469-5041 Extended Day Program & Enrichment Clubs ST.PET PET SCLI ST.PETRONILLE SCHOOL CATHOLIC Extraordinary Catholic Faith Formation Balanced Curriculum that includes STEM, Health & Spanish SCHOOLS WE TEACH MORE. Vibrant Differentiated Learning Environment DIOCESE OF JOLIET Technology Integration, Hands-on Learning 425 Prospect Ave. Glen Ellyn, IL School-wide Service Program SB .Band, Chorus & Annual Musical Production 630-469-5041 Extended Day Program & Enrichment Clubs ST.PET PET SCLI