The magazine ranked the school 43rd in 2008 out of 316 schools. The school was ranked 37th in the magazine's September 2006 issue, which included 316 schools across the state. Schooldigger.com ranked the school tied for 36th out of 381 public high schools statewide in its 2011 rankings (an increase of 7 positions from the 2010 ranking) which were based on the combined percentage of students classified as proficient or above proficient on the mathematics (93.0%) and language arts literacy (98.6%) components of the High School Proficiency Assessment (HSPA). In 2016, "U.S. News & World Report" ranked North Hunterdon as the 39th best high school in New Jersey and 895th in the nation. In 2019, North Hunterdon High School announced that their yearbook, "Regis", won first place in the American Scholastic Press Association's annual yearbook competition and second place (Silver Award) from the Garden State Scholastic Press Association's annual yearbook contest. The North Hunterdon High School Lions compete in the Skyland Conference, which includes public and parochial high schools covering Hunterdon County, Somerset County and Warren County in west Central Jersey, operating under the jurisdiction of the New Jersey State Interscholastic Athletic Association (NJSIAA). With 1,262 students in grades 10-12, the school was classified by the NJSIAA for the 2015-16 school year as North II, Group IV for most athletic competition purposes, which included schools with an enrollment of 1,114 to 4,800 students in that grade range. Since 1976, North Hunterdon High School's football team has competed in the annual Milk Can Game against rival Voorhees High School. After the conclusion of the game, a golden milk can is awarded to the winner, which earns bragging rights and ownership of the can until the next year's game. With a 14-7 win in 2018, North Hunterdon has won seven consecutive games in the series and holds an overall record of 30-12-1 in the 43 Milk Can games played between the two schools. The football team won the Central Jersey Group III state sectional championship in 1975. In 2017, the Lions football team won the North II, Group IV state sectional championship, the program's second state title, with a 21-20 win against top-seeded Phillipsburg High School in the final game of the tournament at MetLife Stadium; the Lions finished the season with a record of 11-1, their only loss being to Phillipsburg, during the regular season.