Tertiary institutions include the University of Guyana (established in 1963), which has law and medical schools, and campuses at Turkeyen, Georgetown, and Tain Corentyne, Berbice (in the east of the country); Cyril Potter College of Education, based at the Turkeyen campus of the university, with branches at Linden, New Amsterdam and Rose Hall; Guyana College of Agriculture; and Commonwealth Youth Programme Caribbean Centre at Georgetown (which trains youth workers from Commonwealth countries in the region). Guyana College of Agriculture; and Commonwealth Youth Programme Caribbean Centre at Georgetown (which trains youth workers from Commonwealth countries in the region). The University of Guyana also provides adult education programmes. The female-male ratio for gross enrolment in tertiary education is 2.1:1 (2012).There are nine years of compulsory education starting at the age of six. Primary school comprises six years and secondary five, with cycles of three and two years. Some 92 per cent of pupils complete primary school (2011). The school year starts in September.