Chengnan education group. Information inquiry shows that Chengnan Education Group consists of Chengdong Primary School and Chengnan Primary School. Chengnan Education Group is the only vice chairman unit of Chongqing Private Education Primary and Secondary School Professional Committee. The Group has five schools: Chengnan Innovation Primary School, Chengnan Xu Dong Primary School, Chengnan Junior High School, Chengnan Xu Dong Junior High School and Chengnan Senior High School. Among them, Chengnan Senior Middle School is a key middle school in Chongqing.