From the article: Quoting:
“These types of drills are vital in order to evaluate not only law enforcement response, but more importantly to educate the students and school officials in case an actual event were to occur,” Chief ...Bird said in an email to media.
and
Stacy Ray told WTVT that she received a text from her seventh-grade daughter Lauren Marionneaux after two armed officers burst into her classroom. ... police told The Post that one of the officers had his duty firearm – a handgun – drawn.
The gun was loaded, as is required. The other officer was carrying an unloaded AR-15. According to Ray, one of her children texted: “I thought he was going to shoot me.”
END QUOTE
Fox News interview with parent, student
4:02 Minutes
School Shooter Drill Terrifies Students, Staff
https://www.youtube.com/watch?v=gCmMypvpWjI
ABC News clip
2:22 Minutes
Florida Active Shooter Drill With Gun-Toting Cop Angers Middle School Parents
https://www.youtube.com/watch?v=_EBmRQpy3I0
Just one more example of public skools, aka government run indoctrination centers, being a willing part of the police state.