In his senior season, he averaged 18.3 points, 7.0 rebounds, 4.4 assists and 3.3 steals per game while being named conference player of the year.

[1] Sources: Jackson played college basketball for Wisconsin, averaging 7.7 points, 2.6 rebounds and 2.8 assists in 109 games (84 starts).

Jackson would take the starting job at point guard as a sophomore, leading the Badgers to a five seed in the NCAA tournament.

In his junior season, Jackson averaged 10.7 points, 4.0 assists, and 3.8 rebounds per game on a Wisconsin team that would capture a two seed and make an appearance at the final four, where Wisconsin would lose to 8th seeded Kentucky 74–73 after Aaron Harrison drained a 3 to seal the game.

As a senior, Jackson was the starting point guard for the Badgers until a foot injury against Rutgers sidelined him in January.