Senior leader Liu Yunshan attended a graduation ceremony at the Party School of the Communist Party of China (CPC) Central Committee on Wednesday. Liu, president of the school and member of the Standing Committee of the Political Bureau of the CPC Central Committee, presented diplomas to the 537 graduates of the school's 2013 autumn semester. Many of those who studied at the school are CPC or government officials. The school's executive vice president He Yiting called on the graduates to keep learning and implementing the spirit of the Third Plenary Session of the 18th CPC Central Committee held last November. He also urged them to take the lead in improving work styles and firmly push forward reform, opening up and scientific development.