16 years old senior one. If nothing unexpected happens, 17 is a senior two, and 18 is a senior three, preparing to take the college entrance examination and enter the university. He was 19 years old when he went to college.

Universities are a kind of schools that implement higher education, including comprehensive universities, specialized universities and colleges. It is an organization with unique functions, and it is an institution of higher learning that is interconnected with socio-economic and political institutions and firmly inherits, studies, integrates and innovates advanced academics.