[8] All 11 of the original constituent districts voted to approve a February 1950 referendum for construction of a building that would cost $700,000 (equivalent to $8.9 million in 2023).

[9] North Hunterdon Regional High School opened in September 1951 with 517 students in a 27-room facility constructed on a 45-acre (18 ha) site.

[27] In 2016, U.S. News & World Report ranked North Hunterdon as the 39th best high school in New Jersey and 895th in the nation.

The books in question were Lawn Boy by Jonathan Evison and Gender Queer by Maia Kobabe, novels that contain LGBTQ+ content and have been recognized for excellence by the American Library Association’s Alex Award.

The group also demanded a ban on Fun Home: A Family Tragicomic by Alison Bechdel, All Boys Aren't Blue by George M. Johnson and This Book Is Gay by Juno Dawson.

[30] The call for book censorship at NHHS has received national attention, including an article in The New York Times that details the targeted harassment of school librarian Martha Hickson.

According to the Times, "A complaint was made to the Clinton Township Police Department about obscene materials in a library book.

"[32][33] Hickson has been the target of personal attacks, hate mail, threats, bullying on social media, and nuisance vandalism.

[36][37][38] She was recognized as the 2022 Lemony Snicket Prize for Noble Librarians Faced with Adversity by the American Library Association.

Andrew Zwicker (D-Middlesex) and Teresa Ruiz (D-Essex) introduced a revised version of the Freedom to Read Act.

The legislation would also protect librarians from being sued for doing their jobs and enable them to file a civil action against someone who harasses them.

"[35] The North Hunterdon High School Lions[3] compete in the Skyland Conference, which is comprised of public and private high schools in Hunterdon, Somerset and Warren counties in west Central Jersey, operating under the jurisdiction of the New Jersey State Interscholastic Athletic Association (NJSIAA).

[47] 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.

In 2021, the field hockey team won the Group III State Championship and went on to play in the Tournament of Champions.

[63] The 2006 team finished the season with a 27–3 record after defeating Steinert by a score of 2–0 to win the Group II championship game.

[64] The team won the 2007 North II, Group IV state sectional championship with an 8–0 win over J. P. Stevens High School.

[65] The 2008 team repeated as sectional champions with a 9–8 win in extra innings over Bridgewater-Raritan High School.

[71] Once again in 2013, the girls lacrosse team defended its HWS title, winning against previously undefeated Sparta High School by a score of 20–12, in the tournament final played on their home field.

[72] The team won their third consecutive title in 2014, with a 21–7 win against Voorhees High School in the final game of the tournament playoff.