Study: Parental support sends down college GPA
Parents who are footing more of the college tuition bill for their children give them a better chance of graduating. But a surprising new study finds they may not be doing them any favors in another area — generous financial support appears to lead to lower grades.
The study, published in this month's American Sociological Review, suggests students with some of their own "skin in the game" may work harder, and that students with parents picking up more of the tab are free to take on a more active social and extracurricular life. That may be fun and even worthwhile, but comes at a cost to GPA.
"It allows for a lot of other activities in college that aren't academic," said author Laura Hamilton of the University of California, Merced. "Participation in the social scene is expensive — money to hang out, drink." But "the more you have all these extras, the more you can get dragged into the party scene, and that will drag down your GPA."
The study is based on figures from three large federal data sets that allow parental contributions and grades to be compared. Hamilton controlled for family socio-economic status, allowing a comparison of similar students whose families make different choices about how much of the cost of college to pick up.
The effect on GPA is relatively small, Hamilton said. "The reason it was so shocking, however, is that all the research on parental investments from pre-school through (college) assumes you give something to your kids, particularly money, it leads to good things. This is one case where it not only doesn't have the expected good effect, it has a small negative effect."
When parents pick up greater absolute amounts and shares of college costs, it affects GPA across the income distribution, though the effect is steepest at families earning over $90,000. At that level, and controlling for other factors, parents not giving their children any aid predicts a GPA of 3.15. At $16,000 in aid, GPA drops under 3.0. At $40,000, it hits 2.95.
While rich families obviously find it easier to contribute, poorer families do as well, at greater sacrifice. But Hamilton says the damage may be greater for those families, because lower GPAs don't hurt better-off students as much in the job market. Wealthier students can rely on connections and further help from parents.
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