(a) No later than January 1, 2027, each public school safety plan required by Code Section 20-2-1185 shall include provisions that address the behavioral health needs of students and a behavioral threat assessment management plan for providing a structured, multidisciplinary process to identify, assess, and mitigate potential threats while supporting the safety and well-being of students and school personnel. (b)(1) Such behavioral threat assessment management plans shall be submitted to the Department of Behavioral Health and Developmental Disabilities for approval. (2) The Department of Behavioral Health and Developmental Disabilities shall provide technical assistance to the Department of Education, regional educational service agencies, and all local school systems and other public schools in this state, including models of service to address the behavioral health needs of students. (3) The Georgia Emergency Management and Homeland Security Agency shall coordinate with the Department of Behavioral Health and Developmental Disabilities with respect to providing training and technical assistance to the Department of Education, regional educational service agencies, and all local school systems and other public schools in this state on the development and implementation of such behavioral threat assessment management plans. (4) The Georgia Emergency Management and Homeland Security Agency shall coordinate with the Department of Behavioral Health and Developmental Disabilities, with respect to providing the same or similar training and technical assistance to private schools in this state.