Belleville High School is a four-year comprehensive community public high school that serves students in ninth through twelfth grade from Belleville, in Essex County, in the U.S. state of New Jersey.

[7] Schooldigger.com ranked the school 311th out of 376 public high schools statewide in its 2010 rankings (a decrease of 12 positions from the 2009 rank) which were based on the combined percentage of students classified as proficient or above proficient on the language arts literacy and mathematics components of the High School Proficiency Assessment (HSPA).

[8] The Belleville High School Buccaneers[2] compete in the Super Essex Conference, which is comprised of public and private high schools in Essex County and was established following a reorganization of sports leagues in Northern New Jersey by the New Jersey State Interscholastic Athletic Association (NJSIAA).

[11] The football team competes in the Freedom White division of the North Jersey Super Football Conference, which includes 112 schools competing in 20 divisions, making it the nation's biggest football-only high school sports league.

[2] The baseball team won the North II Group IV state sectional championship in 1965.