Authorizes funds from the: (1) Indiana secured school fund; and (2) school corporation and charter school safety advance program; to be used for the purpose of providing specialized firearms instruction to certain teachers, school staff, and school employees, and for providing counseling services to students, teachers, school staff, and school employees in the event of a school shooting. Creates a specialized firearms safety, education, and training curriculum (curriculum) for teachers, school staff, and school employees. Specifies curriculum requirements. Requires a charter school, accredited nonpublic school, or school corporation to ensure that a teacher, school staff member, or school employee who receives training funded by a grant from the Indiana secured school fund complies with certain requirements. Provides that the identity of any person who: (1) enrolls in; (2) participates in; or (3) completes; the curriculum is confidential. Requires the department of education, in collaboration with the state police department, to identify a set of best practices and develop a set of educational materials concerning the safe possession and storage of a firearm in a home with a child. Provides that the department of education shall provide the best practices and educational materials to certain schools for annual distribution to parents of students. Provides that a public school or a state accredited nonpublic school may not conduct a training or drill for an employee of the school that includes, as any part of the training or drill, the expelling of any type of projectile at the employee unless: (1) the school informs the employee of the use of projectiles in the training or drill; and (2) the employee provides written consent. Provides that certain schools may not conduct or approve a training or drill for a student of the school that includes, as any part of the training or drill, the expelling of any type of projectile at a student. Provides that the prohibition on the possession of a firearm in or on school property or on a school bus does not apply to certain qualified law enforcement officers and qualified retired law enforcement officers. Makes conforming and technical amendments.