The Northbrook School District 27 district serves all or some of: Northbrook. Northbrook School District 27 School District currently has 37 single family homes for sale with an average list price of $1,076,135.11, 4 townhouses for sale with an average list price of $505,725, 8 condos for sale with an average list price of $299,462.50, 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 $9,784.95.