Establishing that an entity operating a school bus under a contract with the Harford County Board of Education to provide student transportation services may not be held liable beyond the limits of its insurance coverage through the Maryland Association of Boards of Education in any suit that arises from a vehicular accident or an act or omission of an officer, a director, or an employee of the entity except if the act or omission constitutes gross negligence, reckless, willful, or wanton misconduct, or intentionally tortious conduct.