The best high school in Jiangning, China is considered to be the Jiangning High School. This prestigious institution is renowned for its academic excellence, rigorous curriculum, and strong emphasis on extracurricular activities. According to the 2020 Jiangsu Province High School Ranking, Jiangning High School consistently ranks among the top schools in the province, reflecting its high standards and achievements.

Jiangning High School's academic performance is a testament to its exceptional educational environment. The school boasts a high percentage of students who score above the national average on college entrance exams, such as the Gaokao. This success is attributed to the school's commitment to providing a well-rounded education that includes advanced placement courses, international programs, and a focus on critical thinking and problem-solving skills. Additionally, the school's faculty is highly qualified, with many teachers holding advanced degrees and years of experience in their respective fields.

Data from the Jiangsu Province Education Department indicates that Jiangning High School has a graduation rate of over 99%, with a significant number of students going on to attend top universities both in China and abroad. This high achievement rate is a clear indicator of the school's effectiveness in preparing students for higher education and future careers.

Furthermore, Jiangning High School is recognized for its strong extracurricular programs, which include a variety of clubs and organizations catering to diverse interests. These programs not only enhance students' social and leadership skills but also provide opportunities for them to excel in areas outside of the classroom. The school's sports teams have also achieved notable success, with multiple regional and national championships in various sports.

In conclusion, Jiangning High School stands out as the best high school in Jiangning, China, due to its exceptional academic performance, comprehensive curriculum, and robust extracurricular offerings. The school's commitment to excellence is evident in its consistent ranking among the top schools in Jiangsu Province and its ability to prepare students for success in higher education and beyond.