He was born on January 3, 1985 in Shreveport, LA. He stands six feet three and weighs 210 pounds. Currently, he's taking up sociology major at USC. His father, Johnny, played quarterback at Arkansas, Louisiana Tech and Mississippi State, then coached football at Evangel Christian. His brother, Josh, was a quarterback for the Cleveland Browns who played at LSU for 2 seasons 1999-2000, then following a 5-year from 1994-1998 baseball career as an infielder in the Florida Marlins organization. Another brother, Abram, was a wide receiver at LSU from 1997-1999 and Valdosta State in 2001.

He attended highschool at Evangel Christian Academy where he led his team as a junior quarterback in 2002 to the Class 5A state title while throwing for 4,144 yards and 38 touchdowns while earning Student Sports Underclass All-American and Class 5A All-State honors. He also led Evangel Christian to the Class 5A state title as a 2001 sophomore, passing for 4,330 yards and 50 TDs while being named a Student Sports Underclass All-American and Class 5A All-State. As a 2000 freshman, he completed 9-of-11 passes. In his career, he threw for 8,474 yards on 555-of-864 passing with 88 touchdowns and 26 interceptions. He played football at Evangel since seventh grade.

As just a first-year freshman in the 2003 season, He emerged as USC's No. 2 quarterback by mid-season. Overall in 2003 while seeing limited backup action in 5 games namely Stanford, Notre Dame, Wahsington, Arizona and UCLA, he completed 7-of-14 passes for 90 yards. He broke his left wrist against UCLA, which sidelined him for USC's last 2 games of 2003. He was 1-of-4 for 13 yards against Stanford in his first action as a Trojan, then hit his only pass attempt at Notre Dame, was 3-of-6 for 63 yards at Arizona and 2-of-3 for 9 yards against UCLA.

By 2004, Booty was set to be the No. 2 quarterback as a sophomore. But he suffered a badly bruised right elbow in fall practice, which limited his participation, so he redshirted.

He was USC's No. 2 quarterback as a sophomore in 2005. Overall in 2005 while appearing in 10 games, he completed 27-of-42 passes for 327 yards and 3 Touch Downs with 2 interceptions. He threw his first career Touch Down pass while hitting 2-of-5 passes while directing USC in the fourth quarter at Hawaii. Against Arkansas, he was 4-of-9 for 60 yards with a Touch Down, then saw brief action at the end of the Oregon game, but did not throw a pass, and played a snap at Arizona State when Matt Leinart was briefly dinged, but he did not throw a pass.

In the 2006 season, he was balieved to be the first prep football player to graduate a full year early from high school and enroll at a major Division I-A university, enters 2006 spring practice as the top candidate to start at quarterback as a junior in 2006.

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