About 90%. According to the information of Guangxi preschool education network, the college entrance examination for preschool education is not difficult, and the passing rate is generally around 90%. Among the four ways: self-study, adult college entrance examination, distance education and national open university, the adult college entrance examination is not difficult, and the pass rate of the joint entrance examination is about 97%. Adult college entrance examination is difficult, and few students can't enter school smoothly. Distance education and national open university examination are not difficult, and the pass rate is about 95%.