 As a senior, he threw for 4,198 yards and 43 touchdowns and was the Greater Spokane League (GSL) Offensive Most Valuable Player.Halliday committed to Washington State University and played for the Washington State Cougars football team from 2011 through 2014, redshirting in 2010.As a redshirt freshman in 2011, Halliday appeared in four games and made one start.