Set up a nine-year consistent discipline category and class hour ratio as a whole.

1, the proportion of class hours in Chinese, mathematics and English is relatively high, generally accounting for more than 50% of the total class hours. Among them, Chinese class hours account for a relatively high proportion, generally between 25% and 30%.

2. The proportion of class hours in science and social science is relatively high, accounting for about 30% of the total class hours. Among them, the proportion of science class hours is relatively high, generally between 15% and 20%, and the social class hours are between 10% and 15%.

3. The proportion of class hours in art sports courses such as art, music and physical education is relatively low, generally between 5% and 10% of the total class hours.

4. The proportion of class hours in quality education courses such as information technology and mental health is not high, generally between 2% and 5% of the total class hours.