Legal analysis: 1, study and examination are arranged according to grades. According to the latest rules, the exam will be arranged in a unified manner according to the grade timing, and the exam will be held at a unified time in the same grade. The examination time of each subject is: history, geography, chemistry and biology in the next semester; Physics, ideology and politics will be tested in the next semester of senior two; Chinese, mathematics and technology will be tested in the next semester of senior two; Senior three took a foreign language exam last semester, and this foreign language score can be used not only to evaluate the learning level, but also for the college entrance examination.

2. The scores of examination subjects have changed. In the new rules, except Chinese, mathematics and foreign languages, the full marks of other subjects changed from 70 to 100.

3. The grade difference of the selected subjects was changed to 1. The grading difference of the selected subjects was changed from 3 to 1. On the basis of the original grade 2 1, it is divided into 20 divisions. The original grades 1( 1%, 100) and 2(2%, 97) are merged into one division, and the rest remain unchanged. Convert in equal proportion in each corresponding interval, and round off to convert the coil score into an equal score.

Legal basis: Article 23 of the Education Law of the People's Republic of China implements the degree system. The degree-conferring unit shall award corresponding degrees and issue degree certificates to those who have reached a certain academic level or professional and technical level according to law.