Maryland Courts and Judicial Proceedings Section 5-803
§ 5-803.
  (a)   Whether or not an individual receives compensation for the individual's services, an employee of a county health department or other local department or agency functioning as a school nurse or school health aide or a member of the administrative, educational, or support staff of, or an individual who serves under a contract for services to, any public, private, or parochial school is immune from liability for:
    (1)   Making a report required by law, if the individual acts on reasonable grounds;
    (2)   Participating in a judicial proceeding that results from the individual's report; and
    (3)   (i)   Making a report to the appropriate school official or to a parent if the individual has reasonable grounds to suspect that a student is:
        1.   Under the influence of alcoholic beverages or a controlled dangerous substance;
        2.   In possession of alcoholic beverages or a controlled dangerous substance; or
        3.   Involved in the illegal sale or distribution of alcoholic beverages or a controlled dangerous substance.
      (ii)   This paragraph is effective only to the extent that its provisions do not conflict with federal or State confidentiality laws and regulations.
  (b)   A county superintendent or any employee of a county school system who presents or enters findings of fact, recommendations, or reports or who participates in an employee dismissal, disciplinary, administrative, or judicial proceeding relating to a school system employee that results from these actions is immune from any civil liability if the action is:
    (1)   In the performance of duties;
    (2)   Within the scope of employment; and
    (3)   Without malice.