St. Mary School students and their families participate in various service projects throughout the school year. These include:
Summer Garden - Food donated to St. Vincent DePaul Society Feed My Starving Children Baby items collected for We Care Pregnancy Center Penny Wars for the Kishwaukee Cancer Center Food Collection at Mass for the St. Vincent DePaul Society Lancer Band playing at Barb City Manor Adopted a Seminarian for the Diocese of Rockford