If a boy like that could suddenly turn murderous, then in theory, any one
of their students could do anything. Whom could they trust — how could they trust —
after something like this? And if the answer was that they couldn’t, what then?

Jenny Darnall decided to re-evaluate her understanding of what it meant to be a
teacher in the first place. She had never been particularly compassionate with the
students.
The way she saw it, her job was to educate them, not give them advice
they should be getting from their parents.