 The number of students taking the PSAT rose from a 4 percent participation rate in 2005-2006 to 80 percent in 2007-2008.During the same time period, the EGUSD participation rate rose from 16 percent to 79 percent in 2007-2008.The numbers of students participating are now far higher than the state level at 34 percent and the nation at 37 percent.