Jarrett Matthew Jack (born October 28, 1983) is an American professional basketball player for the New Orleans Hornets of the NBA. At 6' 3" (1.91 m) tall and weighing 197 lbs (90 kg), he primarily plays at the guard position. Born in Fort Washington, Maryland, Jack attended four different high schools in the states of North Carolina, Maryland, and Massachusetts before playing collegiately at Georgia Tech. The Denver Nuggets drafted Jack in 2005.
Growing up, Jack attended four different high schools: DeMatha Catholic High School and St. Vincent Pallotti High School in Maryland, Mount Zion Academy in North Carolina and Worcester Academy in Massachusetts. At Worcester Academy he played alongside current Los Angeles Clippers player Craig Smith.
After high school Jack attended and played for Georgia Tech in Atlanta, Georgia. In his sophomore year (2003–04) he helped guide Georgia Tech to the NCAA Finals with 12.5 points and 5.1 assists a game. In his junior and final year at Georgia Tech he averaged 15.5 points, 4.8 rebounds and 4.5 assists.