School shooting incident: Student opens fire, injuring multiple students. 911 call leads to police response. Details on victim conditions and ongoing investigation. Recovered 9mm handgun. Authorities investigate motives. School shooting, gun violence.

• The suspected shooter was identified as 15-year-old Natalie Rupell, also known as Samantha, who was a student at the school [00:20]. She died from a self-inflicted gunshot wound [00:28].

• A second-grade student called 911 to report the shooting [00:35].

• Two students remain in critical condition, and a teacher and three other students were hospitalized with injuries [02:41].

• The school has 420 students from prekindergarten through 12th grade [01:24].

• Students were trained for a school shooting [04:20].

• Police recovered a 9mm handgun from the school [04:33].

• Authorities are investigating the shooter's motive [04:48].

• There have been over 300 school shootings in the United States this year [05:17].