This report provides information on student completion of the Free Application for Federal Student Aid (FAFSA). The FAFSA is used to determine student eligibility for federal and state grants, work study, and loans for college. Data on student FAFSA completion are provided by the Illinois Student Assistance Commission (ISAC). ISAC is a one-stop financial aid center, offering a comprehensive array of programs and services to Illinois students and families. FAFSA Completion reports are available in one format: Summary. Summary reports show data for one school year.