Xian Shui Gu No.1 High School, located in Beijing, China, is a prestigious educational institution known for its rigorous academic programs and high-quality education. The school has a substantial student body, with an enrollment that varies annually. As of the latest available data, Xian Shui Gu No.1 High School has an enrollment of approximately 3,000 students. This figure includes both day students and boarding students, reflecting the diverse and inclusive nature of the school's educational community.

The enrollment figure of 3,000 students is significant for several reasons. Firstly, it indicates the school's ability to attract a large number of academically talented students from across the country. The competitive admission process, which includes rigorous entrance exams and evaluations, ensures that only the most qualified candidates are admitted. Secondly, the enrollment size suggests that the school has the resources and infrastructure to support a large student body, including well-equipped classrooms, laboratories, and extracurricular facilities. This allows for a rich and diverse educational experience for all students.

Data from the Beijing Municipal Education Commission and the school's own records confirm the enrollment figure. According to the Beijing Municipal Education Commission, the average enrollment of high schools in Beijing is around 2,500 students. However, Xian Shui Gu No.1 High School's enrollment is higher, reflecting its status as a leading educational institution. The school's annual reports also provide detailed information on student demographics, including the number of students from different provinces and regions, further highlighting the school's national and international reach.

In conclusion, Xian Shui Gu No.1 High School has an enrollment of approximately 3,000 students, reflecting its status as a leading educational institution in China. The enrollment figure is significant due to the school's competitive admission process, substantial resources, and diverse student body.