The Countryside High School area had 17 sales during the week of Tuesday, July 28 to Monday, August 3, including including 9 single family homes for sale with an average list price of $498,844.44, 3 townhouses for sale with an average list price of $321,500, and 5 condos for sale with an average list price of $211,560. For anyone looking for a brand new home, there are 6 new construction homes for sale.