Elementary school students in Guangzhou receive a medal at the start of the school year. The new school year started on September 1st. In some provinces, children of unvaccinated parents are not yet allowed back to classrooms. But children between the ages of 12 and 17 are also still barred from attending classes in some regions in the country while they are still unvaccinated. China is one of several countries that have permitted the use of its domestic vaccines for children as young as three. Children must wear masks in class.