Amends the School Safety Drill Act. Requires the State Board of Education and the Office of the Fire Marshal to develop clear and definitive guidelines to school districts, private schools, and first responders as to how to develop threat assessment procedures, rapid entry response plans, and cardiac emergency response plans. Requires the State Board of Education and the Office of the State Fire Marshal to cooperate to adopt rules to implement the provisions of the amendatory Act. Grants emergency rulemaking powers to the State Board of Education and the Office of the State Fire Marshal to implement the provisions of the amendatory Act for a period not to exceed 180 days after the effective date of the amendatory Act. Requires the State Board of Education to provide school districts with standards outlining what steps or consideration shall be included within the school district's threat assessment procedure. Makes a corresponding change in the Illinois Administrative Procedure Act. Effective immediately.