PHILADELPHIA — Students who are accepted into Penn State University's prestigious honors college get more than academic feathers in their caps. They get $3,500 annual merit scholarships. But given the tough economic times, the school is making an unusual request: Would parents consider donating that money back? The fundraising appeal for Schreyer Honors College leans on parents who have not applied for financial aid for their children, encouraging them to share their good fortune with needier students. It appears to be working. The first appeal to 75 families last year raised about $228,000.... Some schools and states have tightened criteria...