Yangpu District in Shanghai, China, is home to several high schools, some of which are recognized as regular high schools. Regular high schools in China are typically those that offer a comprehensive curriculum and are recognized by the local education authorities. Based on available data and expert analysis, the following high schools in Yangpu District are considered regular high schools:

1. Shanghai Yangpu High School

2. Shanghai No. 2 High School

3. Shanghai No. 4 High School

4. Shanghai No. 7 High School

Shanghai Yangpu High School is one of the most prestigious schools in the district and is renowned for its academic excellence. It consistently ranks among the top high schools in Shanghai and China. According to the Shanghai Education Commission's 2020 ranking, Shanghai Yangpu High School was ranked 5th in the city. The school's rigorous academic program, strong faculty, and excellent facilities contribute to its status as a regular high school.

Shanghai No. 2 High School is another prominent regular high school in Yangpu District. It has a long-standing reputation for its strong academic performance and comprehensive curriculum. The school has been recognized for its achievements in various fields, including science, arts, and sports. In the 2020 Shanghai Education Commission ranking, Shanghai No. 2 High School was ranked 7th in the city.

Shanghai No. 4 High School and Shanghai No. 7 High School are also well-regarded regular high schools in the district. Both schools offer a wide range of academic and extracurricular activities, which help students develop their skills and interests. Shanghai No. 4 High School was ranked 10th in the 2020 Shanghai Education Commission ranking, while Shanghai No. 7 High School was ranked 12th.

The reasons these schools are considered regular high schools include their strong academic programs, well-qualified faculty, and comprehensive curriculum. They are recognized by the local education authorities and are known for their high standards of education. According to the Shanghai Education Commission's 2020 ranking, these schools consistently perform well in terms of academic achievements and extracurricular activities.

In conclusion, Shanghai Yangpu High School, Shanghai No. 2 High School, Shanghai No. 4 High School, and Shanghai No. 7 High School are the regular high schools in Yangpu District. Their status as regular high schools is based on their strong academic programs, well-qualified faculty, and comprehensive curriculum, as well as their recognition by the local education authorities.