Except as provided in subsection (b) of this section, a custodian shall deny inspection of any record disclosing: a safety evaluation or school emergency plan developed under § 7–1510 of the Education Article; an emergency response policy developed under § 7–1509 of the Education Article and § 3–520 of the Public Safety Article; guidelines for school resource officers and supplemental coverage by local law enforcement agencies developed by the Maryland Center for School Safety under § 7–1508 of the Education Article; a plan to implement the Maryland Center for School Safety’s guidelines adopted by a local school system under § 7–1508 of the Education Article; any school mapping data produced under the School Mapping Data Program in accordance with § 7–1510.1 of the Education Article; or information and materials related to the anonymous reporting system developed under § 7–1514 of the Education Article. A custodian shall allow inspection of safety evaluation, school emergency plan, and emergency response policy records by the following entities in the performance of the entity’s official duties: the Maryland Center for School Safety; the Interagency Commission on School Construction; the Department of State Police; the Department of Public Safety and Correctional Services; the Maryland Department of Emergency Management; local law enforcement agencies; and local organizations for emergency management.