Soviet education edition. According to official website, Hainan Education Bureau, mathematics in hainan overseas chinese middle school and junior high schools is the Jiangsu Education Edition. Hainan overseas chinese middle school, referred to as Qiaozhong for short, is located in Haikou City, Hainan Province. It is a first-class middle school and a key middle school in Hainan Province. Hainan overseas chinese middle school, founded in 1938, is the earliest national overseas Chinese middle school in China.