<p>Long but interesting reading:
"This report presents information on similarities and differences between U.S. high school seniors as studied at four points in time over the past 32 years, with a focus on senior class demographics, senior-year coursetaking, extracurricular activities, educational/occupational expectations and plans, and life values.
<a href=“http://nces.ed.gov/pubs2008/2008320.pdf[/url]”>http://nces.ed.gov/pubs2008/2008320.pdf</a></p>