Calls for arming our state’s teachers and school administrators in the wake of the Sandy Hook shootings continue. Police officers think this is a horrible idea. So do the teachers themselves.  And the dangers to children should be obvious.

The big problem, of course, is that teachers are not cops.  And we shouldn’t expect them to be.

Teachers don’t just lack the training given to law enforcement officers, but also the authority to make arrests and enforce laws, as well as the legal protections afforded to officers.

Under federal law, officers have qualified immunity as long as […]