What's the difference between the straight-promoted class and the Qingbei class in Yongzhou No.4 Middle School?
There is no difference. According to official website of Yongzhou No.4 Middle School, there are four classes in Yongzhou No.4 Middle School, which are also called direct classes. There is no difference. Yongzhou No.4 Middle School was founded in June, 1943, 1. It is a model ordinary high school in Hunan Province with 33 classes. The school motto is "Challenge yourself and pursue Excellence".