The last six digits of the ID card. By inquiring about official website of Guigang Education Bureau, we know that the password of Guangxi Guigang Senior High School Entrance Examination is the last six digits of the ID card. If there are any mistakes, you can go directly to the Information Section of the County Education Bureau for processing. The senior high school entrance examination, namely junior high school graduation and senior high school entrance examination, is a selective examination, but it is also based on compulsory education.