Union City High School is a four-year comprehensive public high school serving students in ninth through twelfth grades from Union City, in Hudson County, in the U.S. state of New Jersey, operating as part of the Union City Board of Education. The four-story school is located between Kennedy Boulevard and Summit Avenue, from 24th to 26th Street, with additional facilities a block south on Kerrigan Avenue. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools through July 2030.
As of the 2023–24 school year, the school had an enrollment of 3,089 students and 181.0 classroom teachers (on an FTE basis), for a student–teacher ratio of 17.1:1. There were 2,010 students (65.1% of enrollment) eligible for free lunch and 356 (11.5% of students) eligible for reduced-cost lunch. Based on 2021-22 data from the New Jersey Department of Education, it was the second-largest high school in the state (behind Passaic County Technical Institute) and one of 29 schools with more than 2,000 students.