[13] Constructed using $1,650,000 in bond funding (equivalent to $17.9 million in 2023), the school included 38 classrooms designed to handle an enrollment of 750 students on a site in Warren Township covering 39 acres (16 ha).
[16] On November 5, 2019, the school's superintendent announced the condemnation of a photograph involving two students in blackface during an off-campus Halloween party, declaring that "hate has no place on our campus".
[18] In 2021, the school announced that it would retain its Warriors team name, but updated its logo and branding to remove any images of Native American symbols and to help represent unity in the district.
From lowest socioeconomic status to highest, the categories are A, B, CD, DE, FG, GH, I and J.
[23] Watchung Hills Regional High School received the National Blue Ribbon Award of Excellence from the United States Department of Education in 1994-95, the highest honor that an American school can achieve.
[38] The Watchung Hills Regional High School Warriors[4] compete in the Skyland Conference, which is comprised of public and private high schools in Hunterdon, Somerset and Warren counties and operates under the auspices of the New Jersey State Interscholastic Athletic Association (NJSIAA).
[40] The football team competes in Division 5A of the Big Central Football Conference, which includes 60 public and private high schools in Hunterdon, Middlesex, Somerset, Union and Warren counties, which are broken down into 10 divisions by size and location.
[46] The baseball team won the 2005 North II, Group IV state sectional championship with an 11-0 win over Hunterdon Central Regional High School.
[49] The team made it to the NJSIAA Public A State Finals vs. Ridge High School in 2008, falling by a score of 5-0; the most successful season for the six-year-old program.
[50] The girls' softball team won the Group IV state championships in 2016, defeating Egg Harbor Township High School by a score of 4-0 in the tournament final.
They made it to the county final, won the program’s first ever North Group IV sectional championship and won the Group IV state title, with a 10-3win against Lenape High School in the championship game.
[58] The wrestling team won the North II Group V state sectional champion in 2018-2020.
The school also offers an innovative academy program that allows students to specialize in a particular area of interest.
[64] In 2022, the robotics team qualified for the World Championships in Houston, making it to the semi-finals of the Roebling Division.