The national high school graduation rate remained flat at 74 percent between 2002 and 2006, while a dozen states made substantial gains, according to a by researchers at Johns Hopkins University.
The report, released March 12 by the Baltimore university鈥檚 , found the largest gain was in Tennessee, where the rate rose from 61 percent to 72 percent. Delaware and Kentucky followed, each with gains of 6.8 percentage points.
The other states deemed to have substantial gains, ranging from 3 percentage points to 5.3 percentage points, are: South Dakota, Arkansas, Alabama, North Carolina, New York, Hawaii, Missouri, Nebraska, and New Hampshire.
