timeline By marshall.miller@navasotaisd.org 2007 3rd birthday Period: 2010 to 2011 kinder garden Period: 2011 to 2012 1st grade Period: 2012 to 2013 2nd grade Period: 2013 to 2014 3rd grade Period: 2014 to 2015 4th grade Period: 2015 to 2016 5th grade Period: 2016 to 2017 6th grade Period: 2017 to 2018 7th grade Period: 2018 to 2019 8th grade Period: 2019 to 2020 9th grade