Office of school safety.

Establishes the office of school safety (office) within the department of homeland security. Requires the office to: (1) function as a central repository for best practices regarding school safety; (2) establish certain school safety guidelines and standards; and (3) monitor the implementation of school safety legislation. Allows the office, at the request of a county school safety commission, to: (1) review school safety plans; (2) provide onsite safety reviews; and (3) provide guidance or assistance relating to school safety matters. Requires the office to maintain a public website containing certain information. Provides that the secured school safety board must review school safety grant expenditures and submit an annual report to the office. Creates certain responsibilities for multi-disciplinary threat assessment teams upon receipt of a report of a threat or threatening behavior. Repeals the division of school building physical security and safety established within the department of education.