You have to look at the WASL specifically and filter on other criteria from there. For example, a bar chart of 10th grade scores comparing low/non-low incomes:<p><a href="http://reportcard.ospi.k12.wa.us/waslTrend.aspx?year=&#38;gradeLevelId=10&#38;waslCategory=-5&#38;chartType=2" rel="nofollow">http://reportcard.ospi.k12.wa.us/waslTrend.aspx?year=&#38;gr...</a>