9-A.  Students expelled or suspended under the requirements of the federal Gun-Free Schools Act. The school boards shall adopt a policy for expelling a student who is determined to have brought a firearm, as defined in 18 United States Code, Section 921, to school or to have possessed a firearm at school and for referring the matter to the appropriate local law enforcement agency.

• A. A student who is determined to have brought a firearm to school or to have possessed a firearm at school under this subsection must be expelled from school for a period of not less than one year, except that the school board may authorize the superintendent to modify the requirement for expulsion of a student on a case-by-case basis. A decision to change the placement of a student with a disability must be made in accordance with the federal Individuals With Disabilities Education Act, 20 United States Code, Section 1400 et seq.
• B. Nothing in this subsection prevents a school board from:
• 1) Offering instructional activities related to firearms or from allowing a firearm to be brought to school for instructional activities sanctioned by the school board and for which the school board has adopted appropriate safeguards to ensure student safety; or
• 2) Providing educational services in an alternative setting to a student who has been expelled.
• C. In accordance with the proper investigation and due process provisions required in subsection 9, a principal may suspend immediately for good cause a student who is determined to have brought a firearm to school or to have possessed a firearm at school under this subsection.