AUCSO helps to unite the various ministries of Auburn Catholic and the general Catholic student community by planning and implementing both spiritual and social activities throughout the academic year. AUCSO is the primary Catholic group recognized by Auburn University and is thus the bridge for the ministries of Auburn Catholic to campus. Any college student, Catholic and non-Catholic alike, who wants to grow in their spiritual lives, and is open to the Catholic faith, is welcome to be part of AUCSO.

The purpose of AUCSO is to represent all of the student programs of Auburn Catholic, to promote the Catholic faith, and to create a stronger Catholic community among students at Auburn University.

To fulfill its purpose, AUCSO strives to create awareness of the Catholic faith among students of Auburn  University, to provide publicity and outreach at Auburn University for the various programs of Auburn Catholic, to foster a welcoming atmosphere and build community among the students and programs of Auburn Catholic, and to sponsor various special events for the enjoyment and benefit of students at Auburn  University.