It means that middle school students who have already signed up can only apply to the contracted school when volunteering to fill in the form. The signing conditions of the senior high school entrance examination are different, and the signing conditions of different students and students of the same school are often different.
Junior high school graduation examination, referred to as "senior high school entrance examination", is an examination to test whether junior high school graduates have reached the junior high school graduation level. It is a necessary condition for the issuance of junior high school diplomas. In China, these subjects are designated as national curriculum subjects, and all of them are included in the scope of junior high school academic level examination. The senior high school entrance examination time is generally around June 20. The provinces and cities in China are not unified, which is calculated according to local time.