If they need to contact their kids they can call the school to talk to them in the very rare case that is actually necessary. It was quite nice and refreshing to have the umbilical cut to your parents while you were at school in the past. You had to learn how to be on your own.
If there is a school shooting, what is texting their kid going to do?
If there is a school shooting, what is texting their kid going to do?