Knowing that the school building or educational and teaching facilities are in danger, failing to take measures or report in time, in any of the following circumstances, should be put on file for prosecution: (1) causing more than one death, three serious injuries or ten minor injuries; (2) Other circumstances that cause heavy casualties.

Legal basis:

Article 138 of the Criminal Law Crime of Major Safety Accidents in Educational Facilities Whoever knowingly fails to take measures or report in time the dangers of school buildings or educational and teaching facilities, thus causing heavy casualties, the person directly responsible shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention; If the consequences are especially serious, they shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years.