KOSASS is a residential college which houses the Reserve Officers Training Unit (PALAPES). However, there are also civilian students staying here as well.
The administration of KOSASS is led by the principal, Lt. Kol. Othman Bin Jailani, with assistance from the manager, Mdm. Kalthom Binti Abu Bakar, and other 6 members of the supporting staff.
There are 6 buildings in KOSASS, which consists of one administrative building and 5 residential blocks. The residential blocks are divided into 2 male dormitories (Napuh and Pelanduk) and 3 female dormitories (Rusa, Kijang and Seladang).
The college offers various facilities for the benefit of the students. These include Balai Minda (a multi-purpose room), Balai Rahmat (a conference room), Dewan Jauhari (a multi-purpose hall), a futsal court, a basketball court,a netball court, and Medan Intelektual (discussion hall). In addition, theis college also has its own kiosk and cafeteria where students can buy the daily products and have their meals there.