May 202311-May 12. According to the information released by Lanzhou Education Bureau, the second model test of Lanzhou senior high school entrance examination in 2023 will be held from May 1 1 to May 12, 2023. The main purpose is to make students adapt to the mode and difficulty of the senior high school entrance examination. The second model of senior high school entrance examination refers to the second mock exam before the senior high school entrance examination, which is of great help to students' performance reference.