March 2022 1. According to Xinhua News Agency, the Central Party School (National School of Administration) held a training course for young and middle-aged cadres (middle-aged classes) in the spring semester of 2022 on the morning of March 1 2022, with more than 90 trainees. The middle-aged class is an important training meeting for the party and the country to train cadres and talents. Every year, the Central Party School trains a group of provincial and ministerial reserve cadres, commonly known as "middle-aged classes".