The basketball program is CMLA's most popular activity within the Archdiocese. Kindergarten children participate in an intramural, instructional league and children in 1st and 2nd grades play on co-ed intramural teams. Separate girls and boys leagues are established starting in 3rd grade.
Volleyball is available for girls in 5th through 8th grades. IHM competes against other local, Catholic schools and the program begins in August and ends in October.