Timeline/TVD

*s1 + s2 = 2009-2010 school year (2009 Fall, ..
*s3 + s4 = 2010-2011 school year (2011 Fall, 2012 May 2013 May)
*Season 5 airs Fall 2013, May 2014 - story in 2011-2012 school year (due to Hayley's pregnancy)
*Season 6 airs Fall 2014, May 2015 - takes place in ... err .. I don't know :S
*Season 7 airs Fall 2015, May 2016 - takes place in TBA.
*.....