Provides that a school safety plan developed by a school corporation or charter school must establish an armed intruder drill protocol. Requires safe school committees to develop a policy that considers the effect of armed intruder drills on the safety and mental health of students, faculty, and staff. Prohibits an armed intruder drill that includes sensory components or activities from: (1) requiring student participation; or (2) taking place during regular school hours if a majority of the student body is present on school property. Allows a school corporation or charter school that: (1) employs a school resource officer; or (2) enters into a contract or a memorandum of understanding with a local law enforcement agency, private entity, or nonprofit corporation to employ a school resource officer; to participate in the 1977 fund. Provides that a school resource officer hired or rehired after June 30, 2024, who is a member of the 1977 fund shall remain in the 1977 fund. Provides that a school resource officer may become a member of the 1977 fund by meeting certain age and training requirements. Makes corresponding changes.