About 630,000 students in 877 primary schools and 489 high schools returned to campuses after the COVID-19 lockdown in north China's Tianjin Municipality on Monday. /VCG

Teachers and students are required to wear masks in class, and students are encouraged to go outdoors during the break time. /VCG

Schools have been advised to open several gates in order to prevent overcrowding, while school hours are being specified for each grade. /VCG

Teachers will analyze students' learning status during the homeschooling period and come up with personalized study plans soon. /VCG