I don't think this is anywhere close to true on a national basis in the US. Do you have a source for that?
The Dept. of Ed seems to indicate that it declined from 14% in 1980 down to 8% in 2009:
http://nces.ed.gov/fastfacts/display.asp?id=16
(http://news.yahoo.com/blogs/lookout/high-school-graduation-r...)
I don't think this is anywhere close to true on a national basis in the US. Do you have a source for that?
The Dept. of Ed seems to indicate that it declined from 14% in 1980 down to 8% in 2009:
http://nces.ed.gov/fastfacts/display.asp?id=16