Comprehensive fix to the school shootings problem because its not a simple answer and there's allot to be changed!!!

1 require sale of a firearm be through a private company only and psych/mental/criminal checks before purchase.
2 stop making non weapon areas without the officers in armor to enforce/protect citizens there,
3 all schools replaced with ones built to withstand gun/bomb/rocket attack!(stop acting like it can't happen once banned cause even in countries with gun bans it happens) Bullet Proof windows/Doors,.alarms on doors/windows, Install doors on all schools that auto lock to the outside
4 school administration and staff are to be required to get Full background/mental health/psychological checks for job, Defensive training against attackers, situations under pressure training, and firearm training.
5 Sponsor weekly show to educate people on gun safety on pbs