The Northbrook School District 27 district serves all or some of: Northbrook. Northbrook School District 27 School District currently has 24 single family homes for sale with an average list price of $1,037,191.67, 6 townhouses for sale with an average list price of $547,150, 8 condos for sale with an average list price of $315,300, and 3 lots for sale with an average list price of $399,300 that attend the district. The average annual property tax for Northbrook School District 27 School District is $10,012.05.