Hanover High School is a high school located in Mechanicsville, Hanover County, Virginia, USA. The school opened during the 2003-04 academic year with Dr. Carol Cash as Principal. The second principal of the school was Mr. George Sadler, who took on the role when Dr. Cash retired in 2007. Mr. Sadler retired from the role at the end of the 2011-2012 school year. Dr. Dana Gresham joined the school as Principal in July 2012 after recently serving as an Principal at Rural Point Elementary School.