The Niles Elementary School District 71 district serves all or some of: Niles. Niles Elementary School District 71 School District currently has 7 single family homes for sale with an average list price of $531,200 and 6 condos for sale with an average list price of $338,133.17 that attend the district. The average annual property tax for Niles Elementary School District 71 School District is $4,652.83.