The University of Melbourne is an Australian public research university located in Melbourne, Victoria. Founded in 1853, it is Australia's second oldest university and the oldest in Victoria. Times Higher Education ranks Melbourne as 33rd in the world, while the QS World University Rankings places Melbourne 31st in the world. According to QS World University Subject Rankings 2015, the University of Melbourne is ranked 5th in the world for Education, 8th in Law, 13th in Computer Science & IT, 13th in Arts and Humanities, 14th in Accounting & Finance, 14th in Dentistry and 18th in Medicine.Melbourne's main campus is located in Parkville, an inner suburb north of the Melbourne central business district, with several other campuses located across Victoria. Melbourne is a sandstone university and a member of the Group of Eight, Universitas 21 and the Association of Pacific Rim Universities. Since 1872 various residential colleges have become affiliated with the university. There are 12 colleges located on the main campus and in nearby suburbs offering academic, sporting and cultural programs alongside accommodation for Melbourne students and faculty.