Because you are late for class, you do not observe the speed limit in a school zone and hit a child. this is an example of knowing behavior or mens rea.

That statement is false

Knowing behavior usually refers to behavioral pattern in which you fully know on the outcome that it might cost you but you decide to do it anyway.

On the case above, it seems that your carelessness is the one that caused the accident and you're not expecting the current outcome at all.