Kids will be kids and can be cruel, it's part of growing up. It's up to us adults to steer them in the right direction, let them know of the consequences of their actions and teach them to respect others.
I don't know what system is in place but she should of been able to get the driver to stop the bus, get all their names and report their behaviour to the school and their parents. I'm sure some of their parents will be ashamed of how their kids acted. Their phones should have been taken away from them too.
The bus driver should have supported her but may not have known.
Poor woman, she must have felt like shi*.
edit on 20-6-2012 by Tykonos because: (no reason given)