Did you catch this today as well? How can anyone think a teacher can do their job (you know, teach :/ ) when this is going on?  More so, how can any parent think their child will get necessary teacher time on class assignments when the teacher is dealing with this? And why would a parent leave their child in a school with this going on? 

These kids talked about below, they do not belong 'mainstreamed' in a classroom, in my opinion.
--
Denver Schools - June 16, 2017 
"Threats, attacks and thrown chairs: DPS works to reduce early childhood suspensions"  
SNIP (3rd grade teacher) “Students have no fear of breaking rules. I have had students who attack others regularly, throw chairs at students’ heads, punch students and teachers in the face, choke others, stab at necks with fists full of pencils, curse violently, run out of the school...”
http://www.chalkbeat.org/posts/co/2017/06/16/threats-attacks-and-thrown-chairs-dps-fields-concerns-about-effort-to-reduce-early-childhood-suspensions/