He played two seasons at the University of Texas before going undrafted in the 2013 National Basketball Association draft. Kabongo started his high school career at Eastern Commerce Collegiate Institute in Toronto, Ontario. He then played alongside fellow Canadian Tristan Thompson for a season-and-a-half at Saint Benedict"s Preparatory before Thompson was removed from the team and transferred to Findlay Preparatory in Henderson, Nevada.
Kabongo stayed at Saint Benedict"s through his junior season before he transferred to Findlay Preparatory
Kabongo was the #10 player in the class of 2011 by Scout.com and in the ESPNU 100. Rivals.com rated as the #26 player.
He was selected to play in the 2011 McDonald"s All-American Game and the 2011 Jordan Brand Classic. College commitment Kabongo committed to Texas on January 12, 2009.
On October 30, 2010, Kabongo decommitted from Texas, but 5 days later he recommitted, and signed his letter of intent.
Kabongo started playing for Texas in the 2011-2012 season. Kabongo was under investigation for alleged inappropriate contact with Rich Paul, an agent who also handles the contracts of former Findlay Preparatory and current National Basketball Association players Tristan Thompson and Cory Joseph. Initially banned for the entire 2012-2013 season, his suspension was later reduced to 23 games, and he made his debut in mid-February and would go onto average 14.6 points per game in eleven games.
In April 2013, he declared for the National Basketball Association draft, foregoing his final two years of college eligibility.
After going undrafted in the 2013 National Basketball Association draft, Kabongo joined the Miami Heat for the 2013 National Basketball Association Summer League. On September 30, 2013, he signed with the San Antonio Spurs.
However, he was waived by the Spurs on October 15, 2013. On October 31, 2013, he was acquired by the Austin Toros of the National Basketball Association Development League.
On October 30, 2014, Kabongo was acquired by the Austin Spurs.
On November 1, 2014, he was traded to the Fort Wayne Mad Ants. On December 29, 2014, he was waived by the Mad Ants after appearing in 16 games while averaging 8.8 points, 4.1 rebounds and 3.3 assists per game. On January 9, 2015, he was acquired by the Texas Legends.
Five days later, he was waived by the Legends after appearing in just two games.
On October 31, 2015, Kabongo was selected by the Delaware 87ers in the second round of the 2015 National Basketball Association Development League Draft, only to be traded to the Erie BayHawks on draft night. Kabongo was invited to camp with Canada"s national team for the 2013 International Basketball Federation Americas Championship but failed to make the final roster.
2011 McDonald"s All-American team selection.