Why can some people take the postgraduate entrance examination and get several notices?

A notice.

After taking the postgraduate entrance examination, you will receive a notification from the school you applied for.

Postgraduate entrance examination, that is, taking the master's degree entrance examination. . The postgraduate entrance examination must first meet the national standards, and then follow the procedures: contact with the school, preliminary preparation, registration, preliminary examination, adjustment, re-examination, re-examination adjustment, admission, etc. Registration for the master's degree entrance examination is in October. The preliminary examination is usually held at the end of December, and the re-examination is usually held from March to May of that year. The specific dates are arranged by each institution of higher learning.