Qingbei class. According to the inquiry of official website in Gu 'an No.7 Middle School, the dominant class in Gu 'an No.7 Middle School is Qingbei Class. Gu 'an No.7 Middle School is a municipal public school with complete facilities and functions. It has a digital laboratory, a multi-functional classroom, a library and a maker laboratory. It has a strong faculty, a first-class teaching team and teaching level, good teaching quality and strict management.