Wayne Valley High School is a comprehensive four-year public high school, in Wayne, in Passaic County, in the U.S. state of New Jersey. The school serves students in ninth through twelfth grades as one of the two secondary schools of the Wayne Public Schools, the other being Wayne Hills High School. The school is also accredited by the New Jersey Department of Education and has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1954. Wayne Valley's school colors are blue and white.

As of the 2023–24 school year, the school had an enrollment of 1,235 students and 118.7 classroom teachers (on an FTE basis), for a student–teacher ratio of 10.4:1. There were 88 students (7.1% of enrollment) eligible for free lunch and 22 (1.8% of students) eligible for reduced-cost lunch.