“Don’t judge a man until you’ve walked two moons in his moccasins.”
Explanation:
It basically means to not judge anyone by their appearance. For example, sometimes people act weird, quiet, or even mean but we can't judge them unless we are in their shoes. We can't judge them unless we understand the why of his/her actions or way of being.
You dont need the and before staff, maybe use cell phones instead of Mobile phones and say usage in the the classroom, for battle of the bands switch the the to an a and put an s after bands competition