On-Campus Housing
Admitted students will receive a housing application with their notice of admission. Housing application should be submitted to the Admissions Office as soon as possible, as decisions are made on a first-come, first-served basis. Marion Military Institute offers 6 barracks which accommodate some 525 cadets.
Estimated Cost for Room/Board for the 2007-08 and 2008-09 Academic Year
| Type of Barracks Hall | Male/Female | Estimated Cost |
| Company | Male | $3,450 |
| Band | Male | $3,450 |
| Women | Female | $3,450 |
All MMI cadet barracks are designed for two-cadets-room.
Off-Campus Housing
Is strictly limited to cadets who parent reside within a 25 mile radius of MMI and others with few exceptions. Approval to reside off-campus must be cleared by the Commandant of Cadets.