(1)
(a) As used in this section, "on or about school premises" means:
(i) in a public or private elementary school or secondary school; or
(ii) on the grounds of a private elementary school or secondary school.
(b) Terms defined in Sections 76-1-101.5, 76-11-101, and 76-11-201 apply to this section.
(2) An actor commits carrying a dangerous weapon at an elementary school or secondary school if the actor:
(a) is not an individual listed in Subsection (4);
(b) carries a dangerous weapon on or about school premises; and
(c) knows or reasonably believes that the actor is on or about school premises at the time the actor carries the dangerous weapon.
(3)
(a) A violation of Subsection (2) is a class B misdemeanor if the dangerous weapon carried by the actor is not a firearm.
(b) A violation of Subsection (2) is a class A misdemeanor if the dangerous weapon carried by the actor is a firearm.
(4) This section does not apply if:
(a) the actor is an individual exempt from certain weapons laws as described in Section 53-5a-108;
(b) the actor is 21 years old or older and has a concealed carry permit as described in Section 53-5a-303 and is carrying the actor's dangerous weapon in a concealed manner unless lawfully responding to an active threat in accordance with Section 76-2-402, 76-2-405, or 76-2-407;
(c) the actor is 21 years old or older and has a temporary concealed carry permit issued under Section 53-5a-305 and is carrying the actor's dangerous weapon in a concealed manner unless lawfully responding to an active threat in accordance with Section 76-2-402, 76-2-405, or 76-2-407;
(d) the actor is carrying the dangerous weapon at the actor's place of residence or on the actor's real property;
(e) the possession of the dangerous weapon is approved by the responsible school administrator;
(f) the dangerous weapon is present or to be used in connection with a lawful, approved activity and is in the possession or under the control of the actor responsible for the dangerous weapon's possession or use;
(g) the actor is an armed school security guard as described in Section 53G-8-704; or
(h) the actor is carrying the dangerous weapon in a vehicle lawfully under the actor's control, not including a vehicle owned by the school or used by the school to transport students.
(5) This section does not:
(a) prohibit prosecution of another criminal offense that may occur on or about school premises; or
(b) prevent an actor from securely storing a firearm on the grounds of a school if the actor:
(i) participates in:
(A) the school guardian program created in Section 53-22-105; or
(B) the Educator-Protector Program created in Section 53-22-107; and
(ii) complies with the requirements for securely storing the firearm described in Subsection 53-22-107(5)(a).