Some states allow them, other don't. You would have to check with your state for the specific rules that govern their events.
Yes, you can.
you bring paper and pencil and a backpack
If you can bring a military tactical 30L backpack to school will depend upon the school you are going to. Many schools are now requiring students to wear only clear backpacks, so this backpack would not be allowed.
You can bring a backpack on a plane as a personal item. Most airlines will allow you to carry on the backpack rather then check it in.
a backpack
Yes, you can take a backpack on a plane as carry-on luggage as long as it still fits the size and weight restrictions for carry-on baggage.
you put it in your locker or just dont bring one
you put it in your locker or just dont bring one
You would bring your project.
roller backpacks because you have a lot of books
They want to.............
Yes, it is.