(2) (a)

1. Once each month, without previous warning, the person having direct charge of any public or private school shall drill all pupils in the proper method of departure from the building in case of a fire, except when the person having direct charge deems that the health of the pupils may be endangered by inclement weather conditions. At least twice annually, without previous warning, the person having direct charge of any public or private school shall drill all pupils in the proper method of evacuation to a safe location in case of a tornado or other hazard. At least twice annually, without previous warning, the person having direct charge of any public or private school shall drill all pupils in the proper method of evacuation or other appropriate action in case of a school safety incident. The public and private school safety drill shall be based on the school safety plan adopted under sub. (4). A safety drill may be substituted for any other drill required under this subdivision. The school board or governing body of the private school shall maintain for at least 7 years a record of each fire drill, tornado or other hazard drill, and school safety drill conducted.
2. Notwithstanding subd. 1., if a person having direct charge of a public or private school determines that providing previous warning of a drill required under subd. 1. is in the best interest of pupils attending the school, the person having direct charge of the public or private school may provide previous warning of the drill. (b) In each community having a recognized fire department, the person having direct charge of any public or private school shall annually file a report pertaining to such drills, on a form furnished by the department of safety and professional services, with the chief of the fire department. When no fire drill is held during any month, or when only one or no tornado or other hazard drill is held in a year, the person having direct charge of the school shall state the reasons in the report. [...] (cp) Each school board and the governing body of each private school shall ensure that, at each school building regularly occupied by pupils, pupils are drilled, at least annually, in the proper response to a school violence event in accordance with the school safety plan in effect for that school building. The person having direct charge of the school building at which a drill is held under this paragraph shall submit a brief written evaluation of the drill to the school board or governing body of the private school within 30 days of holding the drill. The school board or governing body of the private school shall review all written evaluation submitted under this paragraph. A drill under this paragraph may be substituted for a school safety drill required under sub. (2) (a).