The Northbrook School District 27 district serves all or some of: Northbrook. Northbrook School District 27 currently has 9 single family homes for sale with an average list price of $907,554.44, 2 townhouses for sale with an average list price of $499,000, 3 condos for sale with an average list price of $239,000, and 1 lot for sale with a list price of $379,500 that attend the district. The average annual property tax for Northbrook School District 27 is $10,662.38.