You are not legally allowed to sell anything in a school without proper consent from a principle or someone else of authority.
its not
You are able to sell books if you have permission
To be honest i don't know, i am from the Uk and i am trying to fight for my case to sell at school. Good luck in finding the answer
There are companies that sell school signs to the public, but they need to first obtain permission from the school or else they could get into deep legal trouble.
Go selling classroom to classroom or sell it to the lower grades.
Of Course books and all what can be used in school
it depends on what your selling
yes you can
Cookies
School vendors have to sell a variety of foods so students will not have only junk food to choose from.
YOU CAN SELL THEM ON EBAY OR AMAZON OR AT SCHOOL WITH ALL YOUR LITTLE BUDDIES
You could try donating it to a school or possibly sell it on Ebay.