According to official website of Chongqing Education Examinations Institute, in February 2023, the entrance of Chongqing Senior High School Academic Level Examination has been opened. Candidates can log on to the "Chongqing Education Examinations Institute Portal" from March 17 to March 24, 2023, and enter the "Chongqing Ordinary High School Academic Level Examination Online Registration System", with their ID number and registration password.
One-diagnosis, two-diagnosis and three-diagnosis in the college entrance examination are three mock exams before the college entrance examination, which are mainly aimed at weak points. They are three important diagnostic tests for students to learn and temper their mentality in the college entrance examination, and the main definition is mock examination.