He played college basketball for the Texas Tech Red Raiders, and was named a consensus All-American as a senior in 2004.

Emmett played college basketball for 4 years for Bob Knight at Texas Tech University.

During his freshman year and playing for Coach James Dickey, Emmett earned his way into the starting lineup averaging 7.7 points and 3.6 rebounds per game.

When Bob Knight arrived at Texas Tech in 2001, Emmett saw his scoring average improve to 18.7 which was good enough for 3rd in the conference behind Drew Gooden and Kareem Rush and 1st team All-Big 12 honors.

His junior and senior year, Emmett proved to be one of the best scorers in college basketball averaging 21.8 and 20.6 points per game, respectively.

In July 2006, Emmett joined the Dallas Mavericks for the Las Vegas Summer League and the Seattle SuperSonics for the Rocky Mountain Revue.

In December 2007, he signed with the Liège Basket of Belgium for the rest of the 2007–08 season, subsequently finishing the best scorer (23.9 ppg) of the Belgian championship.

In April 2012, he signed with Sporting Al Riyadi Beirut of Lebanon for the 2012 FLB League playoffs.

In April 2014, he joined Halcones Rojos Veracruz of Mexico before re-joining Cocodrilos de Caracas for the 2014 LPB season.

[11] On November 1, 2014, Emmett was selected by the Fort Wayne Mad Ants in the second round of the 2014 NBA D-League draft.

[14] On March 5, 2015, Andre Emmett left the Mad Ants and signed with the Meralco Bolts of the Philippine Basketball Association for the 2015 Governor's Cup campaign.