The Northbrook School District 28 district serves all or some of: Northbrook. Northbrook School District 28 currently has 27 single family homes for sale with an average list price of $1,420,355.19, 6 townhouses for sale with an average list price of $809,151.67, and 6 condos for sale with an average list price of $373,150 that attend the district. The average annual property tax for Northbrook School District 28 is $11,616.54.