Tim Costello


Tim has over 20 years of experience in education, having served as a teacher, vice principal, division head and head of school.  Upon graduation from Villanova University with a degree in business administration, Tim participated in a volunteer program, placing recent college graduates in inner-city schools.  He taught fifth grade in California while earning a Master’s Degree in School Leadership from the University of San Francisco.  During his final two years in the Bay Area, Tim assumed the role of vice-principal in addition to his teaching responsibilities. He then moved to Seattle to teach fifth grade for an independent school for gifted students.  Tim was then named founding middle school head at Open Window School in Bellevue, WA. After Washington, Tim was selected to serve as the 7th Head of School for the Science & Arts Academy in Chicago.  Tim is active in the Independent Schools Association of the Central States and is a member of the Illinois Collation for Non Public Schools. He also serves on the board of the Lake Michigan Association of Independent Schools.

Tim is an avid sports fan, especially of all four professional teams from Philadelphia, where he was born and raised, as well as Villanova basketball.  He has warmed up to embracing the Cubs as his second favorite baseball team.  Tim enjoys traveling, with a special fondness for road trips and visits to national parks with his wife Ana and four children.