This report uses longitudinal data to analyze the post-high school educational attainments of 2005-06 Washington high school graduates. About 77% of these students enrolled in some postsecondary education or training within six years of high school graduation. While those with a high school of GPA of 3.5 or above participated in postsecondary education at the highest levels, almost 60 percent of those in the lowest GPA category had enrolled in postsecondary education.