The last six digits of the ID card. According to official website, the account number of Nanchong Examination System is the admission ticket number, and the initial password is the last six digits of the ID card. The senior high school entrance examination is called the junior high school level examination. It is a horizontal test to test whether students in junior high school have reached the academic level of junior high school, and a selective test in senior high school based on nine-year compulsory education.