Guangxi, Guizhou, Sichuan, Tibet and so on According to official website of China Education Examinations Institute, the cities that divide mathematics into arts and sciences are Guangxi, Guizhou, Sichuan, Tibet, Xinjiang, Qinghai, Ningxia, Gansu, Inner Mongolia, Henan, Shaanxi and Jiangxi. China Education Examination Network is sponsored by the Education Examination Institute of the Ministry of Education, which provides services such as national education examination, social certificate examination, overseas examination information, online registration, result inquiry, certificate inquiry and replacement.