(8) Establishing tornado preparedness Standard which shall include, but not be limited to, ensuring that every school conducts at least two tornado drills per year;

It shall be the duty of the State Fire Marshal and his or her deputies and assistants to require teachers of public and private schools and educational institutions to conduct regular fire drills in accordance with such rules and regulations as he or she may adopt and promulgate and to keep all doors and exits unlocked during school hours.

The safety and security Standard, adopted by the Nebraska State Board of Education, addresses that school districts have all hazards plans that include multi-hazard drills.