West Side High School is a four-year comprehensive community public high school complex in Newark, in Essex County, in the U.S. state of New Jersey, operating as part of the Newark Public Schools. The school is operated by the Newark Public Schools and is located at 279 Chancellor Avenue. The school is accredited until July 2031 and has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since April 2024.

As of the 2023–24 school year, the school had an enrollment of 621 students and 43.5 classroom teachers (on an FTE basis), for a student–teacher ratio of 14.3:1. There were 425 students (68.4% of enrollment) eligible for free lunch and 58 (9.3% of students) eligible for reduced-cost lunch.