While education in the UK, education in the UK countries is an internal affair of every country, the UK's education system is directly guided by the UK Department of Education and Business, Innovation and Skills. The local government is responsible for the implementation of the policy by public schools and state-funded schools. The education system in the country is divided into certain stages by age: basic education (3-5 years old), primary education (5-11 years old), secondary education (11-18 years old) and higher education (+18 years old). From the age of 16, students go through a process known as the "sixth form" or "collage", which prepares them for the A-level graduation qualification. The UK also has a tradition of independent school and kindergarten; Parents decide by themselves which method to educate their child. Higher education generally starts with a three-year undergraduate education. Postgraduate stages are master and doctorate.