A Bachelor's degree usually requires four years of study. It can be followed by a one- or two-year master's degree programme, which can be followed by a PhD programme of at least three years. A polytechnic programme lasts two or three years. Ghana also possesses numerous colleges of education. Some of the notable universities in Ghana are The University of Ghana, Legon, Kwame Nkrumah University of Science and Technology, and University of Cape Coast, just to mention a few. The Ghanaian education system from kindergarten up to an undergraduate degree level generally takes 20 years.