The Niles Elementary School District 71 district serves all or some of: Niles. Niles Elementary School District 71 currently has 2 single family homes for sale with an average list price of $384,750 and 3 condos for sale with an average list price of $272,966.67 that attend the district. The average annual property tax for Niles Elementary School District 71 is $4,800.90.