Utah teacher Kasey Hansen says carrying a concealed weapon in school is "more of a solution" than hiding in a corner and waiting if an armed intruder enters the classroom. But Texas teacher Tara Bordeaux worries that she lacks "the instincts" of a law enforcement officer and can't easily see herself carrying a gun in class.

Both say carrying a gun in school is a matter of personal preference. But in the aftermath of yet another mass school shooting, there are deep divisions, from President Donald Trump to educators, parents and school security officers, about whether teachers should be armed....