This “Teachers Carrying” argument is a straw-man. You don't have to give them Glocks or have them carry them. Simply putting armored deadbolts or locking base plates on classroom doors would be more effective for protecting classrooms. read more
The United States does not, at any national level, prohibit guns in schools. It’s left up to states and smaller jurisdictions to decide for themselves. Here in Idaho an enhanced concealed carry permit will let you concealed carry on any of Idaho’s public university/college campuses. read more