For purposes of this article, unless the context requires otherwise, the following definitions apply:

1. (a) “Law enforcement” means any of the following:

   1. (1) A peace officer employed or contracted by a school, school district, or local educational agency for school safety purposes.
   2. (2) A police or security department of a local educational agency.
   3. (3) A local law enforcement agency or agencies with geographic jurisdiction over a local educational agency.
2. (b) “Local educational agency” means a school district, county office of education, or charter school serving pupils in any of grades 6 to 12, inclusive, as part of a middle school or high school.
3. (c) “Reasonable suspicion” means articulable facts, together with rational inferences from those facts, warranting an objective suspicion.
4. (d) “School official” means any certificated or classified employee of a local educational agency or member of the school district governing board, county board of education, or governing body of a charter school whose official duties bring the individual in contact with pupils in any of grades 6 to 12, inclusive, as part of a middle school or high school, on a regular basis.
5. (e) “Threat or perceived threat” means any writing or action of a pupil that creates a reasonable suspicion that the pupil is preparing to commit a homicidal act related to school or a school activity. This may include possession, use, or depictions of firearms, ammunition, shootings, or targets in association with infliction of physical harm, destruction, or death in a social media post, journal, class note, or other media associated with the pupil. It may also include a warning by a parent, pupil, or other individual.