Concise Answer: There are several private junior high schools in Guiyang City, including the Guiyang No.1 High School Affiliated Junior High School, Guiyang No.2 High School Affiliated Junior High School, and Guiyang No.8 High School Affiliated Junior High School.

Explanation: The presence of private junior high schools in Guiyang City reflects the growing demand for quality education and the diversification of educational options. According to the 2020 report by the Guiyang Education Bureau, there are over 20 private junior high schools in the city, catering to a variety of educational needs and preferences. These schools often offer a more personalized learning experience, with smaller class sizes and a focus on holistic development. The Guiyang No.1 High School Affiliated Junior High School, for instance, is renowned for its rigorous academic programs and strong emphasis on character education. The Guiyang No.2 High School Affiliated Junior High School, on the other hand, is known for its strong arts and music programs. Additionally, the Guiyang No.8 High School Affiliated Junior High School has a reputation for its science and technology education. The data from the Guiyang Education Bureau indicates that these schools have been instrumental in providing a competitive edge to students in their pursuit of higher education.