(a) Each school district and open-enrollment charter school shall provide to the Department of Public Safety and all appropriate local law enforcement agencies and emergency first responders:
(1) an accurate map of each district campus and school building that is developed and documented in accordance with the standards described by Section 37.351 related to developing site and floor plans, access control, and exterior door numbering; and
(2) an opportunity to conduct a walk-through of each district campus and school building using the map described by Subdivision (1).
(b) Each school district and open-enrollment charter school shall provide the map described by Subsection (a)(1) to each emergency services district located in whole or in part within the school district or geographic area served by the open-enrollment charter school.