I taught my kids the same, only expanded to anyone with authority over them, teachers, coaches, principals.
If crap happens, say nothing to no one until your parents or legal representation arrives. They are not your friends and they don’t want to help you, they want someone to blame.
Sounds like the jury was very annoyed today according to people in the courtroom observing them
My be way defense just let them go on and on
I would also add if they are the victim of a crime at school or college, call the police. And campus cops do not count as the police. Do not let the school take care of it in house.