Until the 2004–05 school year, freshmen still attended class at their respective junior high schools, but received credit and report cards from Nashua High.

The demographic breakdown by race/ethnicity of the 1,701 students enrolled for the 2018–19 school year was:[3] Nashua High School North athletics teams have earned multiple state championships.

The Men's Indoor Track team followed suit, winning the Division 1 championship in their 2010–11 and 2016–17 seasons.

They were runners up for the 2012–13, 2015–16 2017–18, and 2018–19 indoor seasons and then won the 2013 and 2015 New Hampshire Division 1 Outdoor Track & Field Champions.

The Football team captured its lone state title in 2020 [citation needed]