The Southern Association of Colleges and Schools Commission on Colleges is the regional body for the accreditation of degree-granting higher education institutions in the Southern states. Following a reform in the 1980s several of the formerly independent colleges now belong to a larger universities. Referring to components of a university, there are residential colleges which deliver residence for students, each undergraduate and postgraduate, named university colleges These colleges normally present added tutorial assistance, and some host theological study. A quantity of Private Colleges exist such as DBS , offering undergraduate and postgraduate courses validated by HETAC and in some circumstances by other Universities. A lot of colleges have strong traditions and rituals, so are a combination of dormitory style accommodation and fraternity or sorority culture.