Forty percent. According to the data of baise university, the passing rate of Band 4 in baise university is 40%. Baise University, a full-time undergraduate college in charge of Guangxi Zhuang Autonomous Region, is one of the first four pilot universities for overall transformation and development in Guangxi. It is a university founded by a master's degree-granting unit in Guangxi, a national demonstration base of red classic art education and a national demonstration school of language standardization. The school is located in Baise, with Tang Yongjun, Party Secretary, and Jin Changyi, President. The school motto is "Prospering the People by Reaching Far, and Promoting Ye Jing by Virtue".