Li Qingshan. The headmaster of Yangcheng Middle School in Shangshui County is Li Qingshan. According to the query of loong. In order to better build an educational bridge of home-school cooperation, strengthen communication and interaction between home and school, form a joint educational effort, and improve the management level of education and teaching, the Grade 8 Group of Yangcheng School in Shangshui County recently successfully held a parent-teacher conference with the theme of "Home and school work together to hold up tomorrow's sun" under the proposal and guidance of principal Li Qingshan.