Definition: Percentage of students in all grades (public schools) absent more than 20 days of the school year (excluding summer school).*  Percentage of Maryland Public School Students Absent More than 20 Days by Academic Year, by Academic Year 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 MD 13.5 13.0 12.4 12.0 11.3 11.2 … Continue reading Truancy