High School Timeline By rdavenport@dallasisd.org Period: Aug 1, 2004 to May 31, 2008 High School Freshmen to senior years. Jan 1, 2005 Varsity Tennis Team Varsity Tennis Team 2005 - 2006 Jun 1, 2006 Hugh O'Brian Youth Leadership Seminar Leadership Jun 2, 2007 Boys State Leadership Aug 1, 2007 Class President Leadership Jan 1, 2008 President's Volunteer Service Award Award