The original Hanover High School building was opened in 1958.

The current Hanover High School building was opened in 2011.

Until 2021, HHS's mascot was the Indians, and was changed to the Hawks, thanks to a contest that won against 400 submissions.

[4] On December 3, 2016, Hanover's varsity football team beat Grafton 21-0 for the Division 3 Championship, ending the season undefeated.

[citation needed] Notable Alumni: Nichole Hiltz, actress (In Plain Sight, Bones)[citation needed] Movies filmed at Hanover High School: 1.