School gives us knowledge to help us with some of our everyday needs. We get to see our friends that we sometimes don't see in a while. We get to chose the classes that we want and can for our careers later on in life.
Without school a lot of people wouldn't be able to read or write. For some schools it allows children to have free meals and this helps out a lot for poor families. And without school most of us would be working to help our families because that's what kids did before school became a thing.