The school is a member of the Scenic Bluffs Conference and the mascot is the Rockets.

During the 1930s, annual turkey races were held each spring behind the school on the athletic field.

Activities offered include Show Choir, Pep Band, Pit Band, Student Council, G.I.V.E., Forensics, Yearbook, Visual Arts Classic, Musical, FFA, FBLA, and Spanish Club.

NLHS offers a variety of sports which include football, volleyball, cross country, basketball, wrestling, cheerleading, baseball, softball, and track and field.

Fundraising for a new athletic complex began in September 2017 with the construction of a ticket booth, restrooms, and concessions stand.