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$A school leader dines with students at the High School Affiliated to Nanjing Normal University Shuren Campus in Nanjing City, Jiangsu Province, March 26, 2019. The school\'s headmaster, Party chief and lead teachers of different grades have started dining with students. The Ministry of Education, the State Regulation for Market Regulation and the National Health Commission recently released a regulation on food safety, nutrition and health in schools, which will take effect on April 4, requiring principals to be responsible for food safety in schools and to dine with students. (Photo: China News Service/Ge Yong)$

A school leader dines with students at the High School Affiliated to Nanjing Normal University Shuren Campus in Nanjing City, Jiangsu Province, March 26, 2019. The school's headmaster, Party chief and lead teachers of different grades have started dining with students. The Ministry of Education, the State Regulation for Market Regulation and the National Health Commission recently released a regulation on food safety, nutrition and health in schools, which will take effect on April 4, requiring principals to be responsible for food safety in schools and to dine with students. (Photo: China News Service/Ge Yong)

Schools in Nanjing, Jiangsu start to implement a new policy that requires principals to dine with students. The Ministry of Education, the State Regulation for Market Regulation and the National Health Commission recently released a regulation on food safety, nutrition and health in schools, which will take effect on April 4, requiring principals to be responsible for food safety in schools and to dine with students. (Photo: China News Service/Ping Baonan)

The principal of Nanjing Zhongying Middle School dines with students in Nanjing, Jiangsu. The Ministry of Education, the State Regulation for Market Regulation and the National Health Commission recently released a regulation on food safety, nutrition and health in schools, which will take effect on April 4, requiring principals to be responsible for food safety in schools and to dine with students. (Photo: China News Service/Ge Yong)

Canteens run by schools have started to implement more rigorous standards to ensure food safety in Nanjing, Jiangsu. The Ministry of Education, the State Regulation for Market Regulation and the National Health Commission recently released a regulation on food safety, nutrition and health in schools, which will take effect on April 4, requiring principals to be responsible for food safety in schools and to dine with students. (Photo: China News Service/Shen Ran)