March 15, April 25th and June 15. According to China Education Online official website, the first mode of senior high school entrance examination is scheduled for March 15 or March 3 1, the second mode is from April 25th to May 5th, and the third mode is the first half of senior high school entrance examination, that is, from June 15 to June 30th. Junior high school academic level examination, referred to as senior high school entrance examination, refers to the examination to test whether junior high school graduates reach junior high school graduation level, which is a necessary condition for the issuance of junior high school graduation certificates.