Open. Sinan County No.5 Junior High School was established with the approval of the county party committee and government in February 2002. By July 2023, the school was running well. The school covers an area of 45 mu, with a school building 1 1735 square meters, a green coverage rate of 1237 square meters, a sports ground of 9,500 square meters, 53,200 books, and 262 computers, including 166 computers for teaching and 37 classrooms, including 37 online classrooms. Among them, the total assets of teaching instruments and equipment are 2.77 million yuan (experimental equipment is 310.3 million yuan), and the education and teaching facilities are complete and functional, including standard plastic playground, special classroom, multimedia classroom, distance education classroom, physical and chemical laboratory, library and reading room.