 From lowest socioeconomic status to highest, the categories are A, B, CD, DE, FG, GH, I and J.

Oradell and neighboring River Edge share a combined school district for seventh through twelfth grades, River Dell Regional School District, which was established in 1958.Schools in the district (with 2017-18 enrollment data from the National Center for Education Statistics) are 
River Dell Regional Middle School in River Edge (with 571 students in grades 7-8) and 
River Dell Regional High School in Oradell (with 1,064 students in grades 9-12).Oradell Public School served an enrollment of 753 students as of the 2017-18 school year.