St. Peter's School athletics program in grades 5-8 is governed by the Archdiocesan Interscholastic Athletic League (AIAL). Students may particpate in the following sports, depending on interest:
Boys: Cross-Country, Soccer (co-ed), Basketball, Tennis, Golf, Baseball, Track
Girls: Cross-Country, Soccer (co-ed), Volleyball, Basketball, Tennis, Golf, Softball, Track, Cheerleading
Students age 3 through 4th grade may participate in sports through the Parish's Catholic Youth Organization (CYO) program. CYO offers baseball, softball, soccer, volleyball, flag football, basketball and track.