Yuzhang Academy (豫章书院) is a Chinese school which is claimed to be in concentration camp-like management. The school protended to be a normal high school which focus on Chinese traditional culture teaching but actually focus on making anyone who doesn't satisfy their parents be tame by punishment.
Although it is claimed that the school is inspried by the Yuzhang Academy appeared in Song Dystany, it has actually no connection between them.
Villainy
It is claimed that Yuzhang Academy hires retired soldiers who is capable to suppress students' resistence. Also, "Long Bian" (龙鞭, lit. Dragon Whip) which is confirmed as steel bar is used to punish students. The school put students in confinement as one of the punishments. Punishment includes force student kneel in the statue of Confucius.
I tis claimed that students' time they are forced in is depended on the obey of their high class member.
Despite the critical, the inprisoned students' parents claimed that the academy is their savior and shows their great support for the academy's action.