The Office of Student Affairs (OSA) is the primary frontline office of the Academy in its relations with the students. The OSA oversees the implementation of policies that support the academic pursuits and total development of students.

The main service of the OSA is Supervision of all Student-related Activities and Career Guidance and Counseling Center through the Guidance Services Unit. OSA conducts periodic evaluation of the students and assess their intellectual, social and emotional development that shall serve as basis for career counseling. OSA conducts various programs designed to sustain student development such as Job Fair, Freshmen Orientation Program and Leadership Training for student leaders.

NAAP complements its comprehensive classroom lectures and workshop skills development with extra-curricular activities organized by students themselves, giving them hands-on experience on leadership. OSA collaborates with student organizations and other offices such as the Office of Sports and Cultural Affairs Unit and Events Management, different Institutes (ILAS, INET and ICS) in organizing various programs that promote the social, cultural, and athletic development of the students.