Most schools offer work as part of the financial aid package.
This offer is NOT an obligation, but an opportunity. Sure, if you're a freshman you might end up having to work in the dining halls slinging grease, but, hey, it's only a couple hours a week. If you are a continuing or currently enrolled student, it will soon be time to start hunting or making sure you have a job secured for the upcoming semester. Typically, April is the month to find a job. Take advantage of this opportunity.