Jackson played two seasons at Trinity Valley, averaging 10.3 points per game and helped the team win a Region XIV title while receiving National Junior College Athletic Association (NJCAA) Region 14 Freshman of the Year honors.[6][7] She transferred to the Kansas Jayhawks in 2021 and placed fourth nationally with a school-record 5.7 blocks per game, being named to the Big 12 Conference All-Defensive team and honorable mention All-Big 12.[4][7][8]
In her second season at Kansas, 2022–23, Jackson was named unanimous first-team All-Big 12 and Big 12 All-Defensive after leading the conference in rebounds, blocked shots, field goal percentage and double-doubles.[4] She broke her own school record with 109 blocked shots and averaged 15.2 points and 12.7 rebounds per game.[4] She was an honorable mention All-American and was the most valuable player of the Women's National Invitation Tournament after averaging 17.0 points and 13.0 rebounds there.[4][9]
She returned for a final season in 2023–24 and broke the career blocks record at Kansas.[10] She averaged 12.6 points and 10.0 rebounds and placed fourth in the nation for blocked shots, with 97.[11] She also finished with a career total of 41 double-doubles, second most in school history.[11] She was selected an honorable mention All-American, first-team Big 12 and a Big 12 All-Defensive selection.[4] In her Kansas career, she started every one of her 99 games and recorded averages of 12.4 points, 10.4 rebounds and 3.0 blocks per game.[12]