Westwood Regional High School is a four-year comprehensive regional public high school that serves students in ninth through twelfth grades from Borough of Westwood and the Township of Washington, in Bergen County, in the U.S. state of New Jersey, operating as the lone secondary school of the Westwood Regional School District. Beginning in the 2019–20 school year, students in eighth grade who had previously attended the then junior-senior high school began attending the new Westwood Middle School.

Westwood is a borough in Bergen County, in the U.S. state of New Jersey. Westwood is part of the New York metropolitan area. Many of its residents regularly commute to New York City for work and leisure, many using public transportation. As of the 2020 United States census, the borough's population was 11,282, an increase of 374 (+3.4%) from the 2010 census count of 10,908, which in turn reflected a decline of 91 (−0.8%) from the 10,999 counted in the 2000 census.