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 $784,500 and 13 condos for sale with an average list price of $322,592.15 that attend the district. The average annual property tax for Niles Elementary School District 71 is $4,729.26.