The ID number of middle school students can be found on the China Higher Education Student Information Network. According to relevant public information, China Higher Education Student Information Network is the only website for academic credentials inquiry, and the national networked electronic student ID number is the student's personal identity code (19 digits), which is the unified code of the basic information of the education system personnel, consisting of type code (1 digit), citizen identity number (18 digits) or personal identity (19 digits).