Reed-Custer Community Unit School District 255 is located primarily in the City of Braidwood, Illinois, which reports a population of nearly 5,700 according to the 2010 Census. Only the Reed-Custer Primary School, housing preschool, kindergarten, and first grade, is located in neighboring Custer Park. Braidwood is located approximately 20 miles south of Joliet in Will County. Other communities included in the school district's boundaries are Custer Park, Essex, and Godley.