The Northbrook School District 28 district serves all or some of: Northbrook. Northbrook School District 28 currently has 25 single family homes for sale with an average list price of $1,571,844, 8 townhouses for sale with an average list price of $761,738.75, and 4 condos for sale with an average list price of $402,225 that attend the district. The average annual property tax for Northbrook School District 28 is $11,602.18.