Three types of institutions, namely, three batches of undergraduate courses, mean that the batches and order of undergraduate courses admitted to the college entrance examination in China rank third, also known as "three batches of undergraduate courses" and "three books". Class I: 2 1 1 engineering colleges, key colleges and subordinate colleges; The second category: provincial colleges and universities; Three categories: other institutions other than the first two categories.
About three books enrollment
The enrollment of the three colleges and universities adopts the way of participating in the national unified college entrance examination. Three books, one book and two books belong to the education series of "ordinary colleges and universities", with a schooling period of four years. Graduation certificate and degree certificate are the same "ordinary colleges and universities" academic certificates.
As of July 20 18, there are 23 provinces including Beijing, Shanghai, Tianjin, Hebei, Zhejiang, Jiangsu, Shandong, Fujian, Sichuan, Guangxi, Hubei, Jiangxi, Shanxi, Liaoning, Guangdong, Inner Mongolia, Chongqing, Guizhou, Henan, Anhui, Tibet, Yunnan, Xinjiang and Heilongjiang 2020. Among them, Beijing, Shanghai, Shandong, Hainan, Zhejiang, Guangdong, Liaoning and Tianjin no longer take college entrance examinations in batches.