July 2023 14-July 2023 15. According to the information released by Mishan City Education Bureau, it is known that the start time of the 2023 senior high school entrance examination in Mishan City is July 14, 2023 and the end time is July 15, 2023. The senior high school entrance examination refers to the junior high school academic level examination, referred to as the "senior high school entrance examination", which is an examination to test whether junior high school graduates have reached the junior high school graduation level.