G. A school district or charter school shall expel from school for a period of not less than one year a pupil who is determined to have brought a firearm to a school within the jurisdiction of the school district or the charter school, except that the school district or charter school may modify this expulsion requirement for a pupil on a case-by-case basis. This subsection shall be construed consistently with the requirements of the individuals with disabilities education act (20 United States Code sections 1400 through 1420). For the purposes of this subsection:

H. A school district or charter school shall expel from school for at least one year a pupil who is determined to have threatened an educational institution, except that the school district or charter school may modify this expulsion requirement for a pupil on a case-by-case basis if the pupil participates in mediation, community service, restitution or other programs in which the pupil takes responsibility for the results of the threat. This subsection shall be construed consistently with the requirements of the individuals with disabilities education act (20 United States Code sections 1400 through 1420). A school district may reassign a pupil who is subject to expulsion pursuant to this subsection to an alternative education program pursuant to subsection E of this section if the pupil participates in mediation, community service, restitution or other programs in which the pupil takes responsibility for the threat. A school district or charter school may require the pupil's parent or guardian to participate in mediation, community service, restitution or other programs in which the parent or guardian takes responsibility with the pupil for the threat. For the purposes of this subsection, "threatened an educational institution" means to interfere with or disrupt an educational institution as defined in section 13-2911 by doing any of the following: