When the university where I was employed as adjunct faculty discussed active shooter preparation after the VA Tech shootings, one of the full-time faculty brought up the issue of legal carry as a means of countering an active shooter.
(This is a gun-friendly state with a shall issue law).
She was informed that a faculty member who was discovered to be carrying a concealed firearm would be subject to immediate dismissal.
When I learned of this I agreed completely with this policy. I terminated myself immediately.
The United States Marine Corps: Providing the enemies of America the opportunity to die for their countries since 1775. Semper fi.