I agree to a extent. Not every teacher should be armed, only mentally stable, and trained individuals, and those who show their dedication to teaching, I would feel safer if I had a trained teacher with a firearm, because a shooter would find a way in and we cannot count on law enforcement to show up every time.
She was raised in Derbyshire, which is also where Darcy is from. This is pretty significant overall because that is why her aunt and uncle choose to travel to that area towards the end of the novel. Because they go there, they are able to run into Darcy and Elizabeth is able to confess her own contribution to her initial relationship with Darcy.
