No it doesn't. That's why we have sworn officers with badges.
Yean.
Then someone will bitch because they called a cop on on a violent third grader that they were otherwise unable to restrain.
“They called a guy with a gun in on a third grader!”
I know from personal experience that there are vicious little savages in the system and teachers should have access to whatever means are necessary to protect themselves and their student and to continue on with their work.