Administrative staff, including principals, are having lunch with students at a number of local schools after a nationwide regulation came into effect on Monday. Li Aiming, vice principal of Jianping Lingang Primary School, sat down in a Grade-5 class at noon, eating the same food as the students and talking to them about it. All seven top administrators in the school in the Pudong New Area, including the principal and Li, will take turns to eat with students.