[2] The next Dover High School building was built in 1967 along with a Regional Career Technical Center on Durham Road.

[3] In July 2016, construction began on a $87 million project to build a new high school and career technical campus adjacent to the existing complex, which was built over 50 years prior.

[6] In December 2018, a cell phone video surfaced on social media of two students singing a song to the tune of Jingle Bells with the lyrics changed to refer to the Ku Klux Klan.

[7] The video went viral, and was covered on national news, including The Boston Globe and The New York Times.

In a letter, Superintendent William Harbron described the event as "an incident of extreme racial insensitivity" and announced that the teacher was put on paid leave.

Dover High fields 29 varsity sports teams in boys and girls competition in the New Hampshire Interscholastic Athletic Association Division I, including Cross country, Cheerleading, Volleyball, Football, Field hockey, Golf, Soccer, Track and field, Ice hockey, Swimming, Alpine skiing, Gymnastics, Bowling, Basketball, Lacrosse, Softball, Baseball, Tennis, and Volleyball.

The hockey team competes in Division II, holding a record number of state championships.

The Unified Volleyball team has recently enjoyed great success, winning the 2018 State Championship.

Shockwave has earned the engineering inspiration award at competition, and is noted for its success and community involvement.

The Latin club competes regionally in Certamen and is a member of the National Junior Classical League.