First-grade students learn the right way to wear a face mask at the Jiuquan Road Primary School in Lanzhou, Gansu province, on April 23. They are among the last group of primary and high school students returning to school in the city. PEI QIANG/FOR CHINA DAILY
Workers disinfect a classroom at the No 4 High School in Huichang county, Jiangxi province, on April 1, as part of the school's effort to reopen to students. ZHU HAIPENG/FOR CHINA DAILY
Students in their final year of junior high eat lunch at the Gaoxin High School in Weinan, Shaanxi province, on April 7. CUI ZHENGBO/FOR CHINA DAILY
Students line up to enter the No 1 School in Xianju county, Zhejiang, on April 20. Primary students from fourth grade to sixth grade returned to school in the province the same day. WANG HUABIN/XINHUA
Children receive their study materials for online classes at the Huayuanchun No 2 Primary School in Beijing on April 8. ZOU HONG/CHINA DAILY