With the help of the Elementary Laboratory School, High School and College Youth Ministry, the CMO carries out its mission of enhancing the spirituality of HAU community. These organizations follow its unique charism of animating the spirituality of students.

1. College:
• SCG(Student Catechists' Group) – in charge of the Catechetical Instructions.
• Lec-Com Group (Lectors-Commentators) – serves as Commentators and Lectors during Eucharistic Celebrations.
• Altar Servers Group- in-charge of the altar services during Eucharistic Celebrations.
• MDA (Marian Devotees in Action) Group – focuses on spreading the devotion to the Blessed Virgin Mary.
2. High School:
• SGO (Student-Catechists' Group)
• Lec-Com (Lectors-Commentators) Group
• Altar Servers Group
• Maidens (High School Counterpart of MDA)
• Musikeros (High School Choir Group)
3. ELS
• SCG (Grade 5 & 6 Student-Catechists' Group)
• Lec-Com Group
• Altar Servers Group
• Music Glee Club (Grade School Choir Group)