13 rules school kids in Japan follow ... Students wear clean and tidy uniforms to school. Getty Images. Students are not allowed to have makeup, jewelry, tattoo, or piercing .

HEALTH Kids who wear school uniforms get less physical activity, study finds: 'There's a problem' Girls were shown to exercise less than boys in countries where school uniforms were prevalent ...

A new survey asked Japanese kids in elementary school and junior high about what they think are the oddest rules at school.

OSAKA -- Security concerns have prompted a growing number of Japan's junior high schools to stop embroidering names or sewing tags on school uniforms to protect the children's identities.

The author has been living in Japan for 20 years. He says his kids are taught discipline from an early age, including by cleaning their classrooms and bathrooms.