Holy Infant Catholic School, through the Parish Athletic Association, sponsors a large array of team and individual sporting opportunities open to all students, male and female. The parish is a member of the St. Louis Archdiocesan Catholic Youth Council (CYC) - West County District - and has a stated mission that reads:
"Holy Infant Athletic Association (HIAA) serves all children within our parish boundaries. Our goal is to enhance the overall development of our children through athletic competition against a fabric of fair competition, teamwork, individual effort, and the demonstration of sportsmanship in victory or defeat. Coaches and parents are instrumental in teaching and instilling these values both on and off the field of play while building self-esteem in the children."
The HIAA offers programs in the following athletic activities for both boys and girls at all levels of skill:
(NOTE - Baseball/Softball is not offered via the HIAA, but can be played at any number of local associations, including Ballwin Athletic Association, Manchester Athletic Association, and Ellisville Athletic Association)