1. Ordinary middle schools include high schools, and the education grade is 10- 12 (or 16- 18). Junior high school includes junior high school, and the education grade is grade 7-9 (or 13- 15).

2. Ordinary middle schools are more extensive and professional in subject setting, and students need to choose specific subjects and courses for in-depth study. The subject setting of junior high school is relatively comprehensive, and students need to learn a wide range of basic knowledge.