1. Management organization: Shanghai key high schools are directly managed by education bureau of shanghai, and key high schools in other provinces are managed by the education authorities in their provinces.

2. Enrollment policy: Shanghai key high schools generally take local students as the main enrollment targets, and the factors considered include comprehensive scores and interviews. Key high schools in other provinces tend to attract outstanding students from inside and outside the province, and sometimes accept students from other regions.

3. School strength: As a region with rich educational resources in China, Shanghai key high schools generally enjoy good teachers, educational facilities and academic resources, and their comprehensive strength is relatively high. The strength of key high schools in other provinces is related to the education level and economic development level of the province.

4. Teaching quality: Shanghai key high schools are usually famous for their high-level teaching quality, focusing on quality education and personalized development; Key senior high schools in other provinces have different teaching quality due to regional differences, but there are also many schools that have certain prestige in the field of education.

5. Subject setting: The subject setting of key high schools in Shanghai is diversified, often covering liberal arts, science, fine arts, physical education, experimental classes and other disciplines. The subject setting of key high schools in other provinces depends on the characteristics and development direction of each school, which may be relatively limited.