The Grayslake Central High School area had 11 sales during the week of Tuesday, July 28 to Monday, August 3, including including 8 single family homes for sale with an average list price of $454,331.25, 1 townhouse for sale with a list price of $249,900, and 2 condos for sale with an average list price of $324,950. There is 1 short sale.