Education Week, November 14, 2019
“The Los Angeles Sheriff’s Department was first alerted to the incident at 7:38 a.m. Pacific time, and first responders were on the scene within two minutes. Authorities said officers were able to administer first aid to students using "stop the bleed" kits that were at the school.
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The district had assigned a school resource officer to every school, and according to its website, conducts at least two lockdown safety drills a year; students can also report concerns via texts to a tip line. Many schools now conduct active-shooter drills as part of their emergency preparedness.”