The age of going to college is generally between 17 and 19. The standard for going to school in China is to go to primary school at the age of 6; Junior high school 12 years old; 15 years old attending high school; 18 years old to go to college. However, in rural areas, there are also some children who are only 7 years old and only go to primary school; In urban areas, a small number of them go to primary school at the age of five. So generally speaking, people from 17 to 19 go to college. Of course, some people are smart enough to skip classes. Some people go to college at the age of fifteen or sixteen. "University" usually refers to a higher education institution that provides teaching and research conditions and authorizes the award of degrees. The teaching levels of universities are usually divided into three types: postgraduate, undergraduate and junior college. The word "university" has another meaning. Refers to the highest institution of learning in ancient China, such as Imperial College in Han Dynasty, where Confucian classics were taught and ruling talents were trained.