[5] Pascack Hills serves the residents of both Montvale, where the campus is located, and the neighboring community of Woodcliff Lake.

The district received a $12,000 grant from a unit of the Ford Foundation that would allow the school to use IT&T computer systems run by a senior program analyst from that firm that would allow students to select classes on their own.

[17] As of February 2024, U.S. News & World Report ranked Pascack Hills as the #968 High School nationwide, and #42 within New Jersey.

[19] Pascack Hills High School's athletic facilities include a regulation size track, a turf football field named for long-time principal Bart DiPaola, four tennis courts, a combination softball and baseball field that can be utilized for soccer, and two gymnasiums, which house basketball and volleyball.

The school offers Spanish, French, Italian, Chinese, and ESL courses for their world language program.

[27] Formerly known as the "Cowboys", while Pascack Valley was the "Indians", the old team names were eliminated by the district at a July 2020 board meeting.

[2] In 2004, the football team joined the Bergen-Passaic Scholastic League (BPSL), to play against other schools of similar enrollment size.

Sports offered include cheerleading, dance, cross-country, football, boys' and girls' soccer, tennis, volleyball, gymnastics, basketball, bowling, ice hockey, swimming, wrestling, Winter Track, baseball, softball, and lacrosse.

[35][36][37][38] In 2005, under the leadership of Head Coach Brooks Alexander, the football team reached the playoffs for the first time in 13 seasons, losing to #3 seed Bogota High School in the first round by a score of 41–7.

In 2006, the football team reached the playoffs for the second year in a row, this time being beaten 9–3 in a close defensive battle against the fourth-seeded Hasbrouck Heights High School Aviators.

[49] In the 2001–02 season, the Pascack Hills boys' basketball team accumulated their highest win total in school history and posted a 33–5 record.

Nolan Leonard became the fourth Hills player to surpass 1,500 career points in a second half comeback victory at home versus Westwood Regional High School.

The season climaxed with a Group II state sectional championship over a physically larger Manchester Regional High School squad at the Northern Highlands gym.

The Cowboys' season ended with a 94–78 loss to Roselle Park High School in the opening round of the Group II state tournament.

[53] The boys team won the North I, Group II state sectional championship with a 4–1 win in the tournament final over Dwight Morrow High School.

[54] The 2011 boys team won the North I, Group II state sectional championship 3–2 with a win vs. Mountain Lakes High School.

The girls tennis team won the Group I state championship in 2004, defeating Bernards High School in the final match of the tournament.

[56] The 1987 team was the first to secure titles as NBIL league champions and Bergen County champions defeating Park Ridge High School 15–1, as part of a 28–5 season in which they captured the North I, Group III sectional title and won the Group III state championship over Cherry Hill High School West by a score of 6–4.

They lost to Toms River High School South in the Group III state championship game.

[56] In 2006, Hills won the North I, Group I state sectional title, defeating Emerson High School 3–2 in the tournament final.

[61] They began the season on an 8 game-win streak and were ranked as high as #9 in North Jersey, their first time making NJ.com's Top 25.

Hills’ Junior Villanova commit, Brandon Siegenthaler was named the tournament MVP, just like his Coach Kevin Kirkby was back in 1996.

They would go on and beat Point Pleasant Borough High School by a score of 2–0 in the Group II state championship game.

[76][77][78][79] In 2023, under second-year Head Coach and Pascack Hills' alum Nick Evans, Pascack Hills won its third Group II state championship in six years by defeating Hanover Park High School, 4–1 in the semifinals and Rumson-Fair Haven Regional High School, 1–0 in the final game, finishing the season with a 22–7 record.

[82] The softball team won the 2007 North I, Group II state sectional championship with a shutout victory over Pascack Valley High School (1–0) in the tournament final.

[83] In 1985 the softball team won the North I, Group III state sectional championship with a 3–2 victory over Ramsey High School in the tournament final.

[84] Sophomore Pitcher Alana Kimball won North Jersey's Female Athlete of the Week for her work in late April.

In 2007, the girls soccer team, seeded 11th, won the North I, Group II state sectional championship with a 2–1 overtime win (4–2 on penalty kicks) over top-seeded River Dell High School in the tournament final.

[89] Among the other activities are an award-winning theater program, highlighting the acting, singing and dancing talents of the Pascack Hills Players.

In 2021, Yemie Woo won the Paper Mill Playhouse Rising Star Award for Best Performance by an Actress for “Fabulous Baby” from Sister Act.