James J. Ferris High School is a four-year comprehensive public high school serving students in ninth through twelfth grades located in Jersey City in Hudson County, New Jersey, United States, operated as part of the Jersey City Public Schools. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Secondary Schools since 1940. The school is named for James J. Ferris, a civil engineer and politician in Jersey City best known for supervising the construction of the Pennsylvania Railroad Harsimus Stem Embankment and the Powerhouse's concrete foundation.