1. Student age: Junior high school refers to the school where primary school graduates attend, and the age of students ranges from 10 to 12. It is from primary school to junior high school that you begin to receive higher-grade education. Ordinary middle schools refer to schools attended by junior high school students, ranging in age from 12 to 15. Students have entered adolescence and begin to face more academic challenges and personal growth.

2. Subject setting: The subject setting of junior high school is relatively simple, mainly including basic subjects such as Chinese, mathematics, English, science and society. The subjects in ordinary middle schools are comprehensive, including physics, chemistry, biology, history, geography, politics and other subjects besides Chinese, mathematics, English and other basic subjects.