I will tell you the schools know the troubled kids. Seriously, you very often see it in elementary school.
The schools are told to mainstream these problem children. Instead they should be given psychological counseling and place in an environment they can receive school instruction, but are not a threat to the regular children because they have skilled professionals who work with troubled youth.
No longer is a kid sent to alternative school, then when he or she is too violent and scary to be there, put in an institution.
Until and unless we go back to that, this will be common as it has been.
This shooting was devastating. Over 21 killed at this point and possible more. This is not Chicago where shootings are common place.
I understand the town is small. Everyone knows each other. The police and officials who were on scene will be terribly affected, the families will be terrible affected, the children of this school who should have been safe, will be terrible affected. The whole town will never forget the horribly evil actions of this disturbed teen.