Chantilly High School held its graduation on June 21, 2017, at EagleBank Arena on the campus of George Mason University. The National Honor Society ushered the ceremony that was presided over by outgoing Principal Teresa Johnson. Johnson has been the principal for the past six years but will be leaving soon to take on the position of assistant superintendent for the Department of Special Services for Fairfax County Public Schools. There were 663 graduating seniors.