By . A recent paper found that more than 18 percent of students who received a Pell Grant in their freshman year and earned at least a 3.0 GPA—a group that would seem to have every reason to reapply for aid—failed to do so. Close to half of the members of that group did not return to college for their sophomore year. Even those who did return had lower persistence rates later on than students who had reapplied for aid. More...