The River Forest School District 90 district serves all or some of: River Forest. River Forest School District 90 School District currently has 15 single family homes for sale with an average list price of $1,179,126.67, 2 townhouses for sale with an average list price of $347,000, and 12 condos for sale with an average list price of $296,558.33 that attend the district. The average annual property tax for River Forest School District 90 School District is $13,455.75.