The University is one of the world's oldest universities and leading academic centres, and a self-governed community of scholars. Its reputation for outstanding academic achievement is known worldwide and reflects the intellectual achievement of its students, as well as the world-class original research carried out by the staff of the University and the Colleges. With more than 20,000 students from all walks of life and all corners of the world, over 11,000 staff, 31 Colleges and 150 Departments, Faculties, Schools and other institutions, no two days are ever the same at the University of Cambridge. The University is a confederation of Schools, Faculties, Departments and Colleges. The 31 Colleges are governed by their own statutes and regulations, but are integral to the make-up of the University.