The North Bergen Bruins compete in the Hudson County Interscholastic League, which includes private and parochial high schools in Hudson County and operates under the supervision of the New Jersey State Interscholastic Athletic Association (NJSIAA).
With 1,942 students in grades 10-12, the school was classified by the NJSIAA for the 2015-16 school year as North I, Group IV for most athletic competition purposes, which included schools with an enrollment of 1,090 to 2,568 students in that grade range.
The North Bergen High School track, tennis, football and soccer teams use Bruins Stadium, which is located in James J. Braddock Park.
The school's gymnasium serves as the home field for other sports.

Interscholastic sports programs offered include football, boys'/girls' basketball, baseball, softball, boys'/girls' tennis, boys'/girls' cross country, boys'/girls' indoor track and field, boys'/girls' outdoor track and field, boys'/girls' soccer, boys'/girls' volleyball, boys'/girls' bowling and wrestling.

The boys' varsity bowling team won the 1974 overall state championship.

The football team won the North I Group IV state championship in 1977, 1978, 1984, 1988, 1990, 1997 and 2011.

The boys' basketball team won the Group IV state championship in 1977, defeating Camden High School in the tournament final.
On March 5, 2007, the boys' basketball team played in the North I, Group IV sectional championship, falling to Passaic County Technical Institute by 86–85 in overtime, in a game played at Wayne Valley High School; Students and fans from both schools rioted after the game, with a North Bergen student arrested in the melee for assaulting a police officer.

The wrestling team won the North I, Group IV state sectional championship in 1983, 1991 and 1993.

In 2001, the baseball team won the North I, Group IV state sectional championship with a 7-6 win in extra innings against Memorial of West New York.
The North Bergen Bruins compete in the Hudson County Interscholastic League, which includes private and parochial high schools in Hudson County and operates under the supervision of the New Jersey State Interscholastic Athletic Association (NJSIAA). With 1,942 students in grades 10-12, the school was classified by the NJSIAA for the 2015-16 school year as North I, Group IV for most athletic competition purposes, which included schools with an enrollment of 1,090 to 2,568 students in that grade range. The North Bergen High School track, tennis, football and soccer teams use Bruins Stadium, which is located in James J. Braddock Park. The school's gymnasium serves as the home field for other sports.
Interscholastic sports programs offered include football, boys'/girls' basketball, baseball, softball, boys'/girls' tennis, boys'/girls' cross country, boys'/girls' indoor track and field, boys'/girls' outdoor track and field, boys'/girls' soccer, boys'/girls' volleyball, boys'/girls' bowling and wrestling.
The boys' varsity bowling team won the 1974 overall state championship.
The football team won the North I Group IV state championship in 1977, 1978, 1984, 1988, 1990, 1997 and 2011.
The boys' basketball team won the Group IV state championship in 1977, defeating Camden High School in the tournament final. On March 5, 2007, the boys' basketball team played in the North I, Group IV sectional championship, falling to Passaic County Technical Institute by 86–85 in overtime, in a game played at Wayne Valley High School; Students and fans from both schools rioted after the game, with a North Bergen student arrested in the melee for assaulting a police officer.
The wrestling team won the North I, Group IV state sectional championship in 1983, 1991 and 1993.
In 2001, the baseball team won the North I, Group IV state sectional championship with a 7-6 win in extra innings against Memorial of West New York.
North Bergen High School