What is not allowed in Japan schools?

What is not allowed in Japan schools?

Japan has strict rules and regulations in their schools, including no chewing gum, no cell phones, no piercings (except for medical reasons or cultural traditions), no dyed hair, no makeup, no public displays of affection, no eating during class time, silence during cleaning time, compulsory attendance until age 15, no smoking on school grounds, no political discussions and a strict no-cheating policy. These rules are in place to promote discipline and professionalism while creating a healthy learning environment for students.