As a senior, Jacobson averaged 18.6 points, 9.6 rebounds, 2.4 blocks per game, earning First-team All-CIML honors.

Jacobson received a scholarship offer to play football at Iowa State, but turned it down to focus on basketball.

[3] As a freshman at Nebraska, Jacobson made 25 starts, averaging 4.7 points and 4.3 rebounds per game on a team that finished 16–18.

Following the season, Jacobson was one of four players to transfer from the team and signed with Iowa State, a school he had grown up supporting.

Per NCAA regulations, he sat out a redshirt season, and spent the year practicing against fellow transfer Marial Shayok.

[4] He averaged 11.1 points and 5.9 rebounds per game as a junior, shooting 57.6 percent from the field, and helped the Cyclones reach the NCAA Tournament.