They are reserved to the states respectively, or to the people.
We elect senators and representatives for the House. They basically make up what the people who elected them wants, but some are corrupt so they don't really listen to the people. They mainly listen to the people who fund their campaigns. What we do have are the U.S. Constitution and the U.S. Amendments to protect our rights such as forcing the person we elected to do what we want, because if they don't we can "fire" them and elect new ones. (petition)
School is important because you grow educationally and mentally and it prepares you for your own future
I believe it is equality. I am not sure in what context this is asking, but I am pretty sure it is equality.