There are some great resources available for parents who are sending their children off to college for the first time.
U.S. Department of Education's "Preparing Your Child for College: A Resource Book for Parents": http://www.ed.gov/pubs/Prepare/index.html
U.S. Department of Education's "Getting Ready for College Early": http://www.ed.gov/pubs/GettingReadyCollegeEarly/index.html
The College Board's Resources for Parents: http://www.collegeboard.com/parents/plan/0,,703-0-0-0,00.html
"College is Possible" by the American Council on Education: http://www.collegeispossible.org/