Yeboah was born in Ghana but moved to the London suburb of Chigwell, England at the age of nine after his mother Winifred found a nursing job to better provide for him and older brother Kwame. Yeboah started out as a soccer player and did not begin playing basketball until the age of 13. He was, by his admission, terrible at basketball at first. His physical education teacher told him that he was not competitive, which motivated him to improve. He competed for the Kent Crusaders of the English National Basketball League after the Barking Abbey School, which he attended, partnered with the Crusaders to give their top players the ability to play in the NBL. He had a season-high 21 points twice, against the Bradford Dragons and Essex Leopards, and scored 19 points in a 12-point comeback win against the Reading Rockets. Yeboah was a key piece of the team that won the 2015 NBL Division I Playoff Championship. He averaged 12.7 points and 5.4 rebounds per game. In the league final, Yeboah scored 21 points and had seven rebounds. He received his only NCAA Division I offer from Stony Brook's head coach Steve Pikiell.
Yeboah redshirted his first season at Stony Brook, which was Pikiell's last at the school before accepting the job at Rutgers. Stony Brook made the NCAA Tournament for the first time in school history as Yeboah sat out the season due to lack of projected playing time. As a redshirt freshman, Yeboah averaged 9.5 points and 5.1 rebounds per game and was named to the America East All-Freshman Team. He scored 21 points and had 16 rebounds in the first round of the America East Tournament in a 70–60 win against Binghamton. In his sophomore season, Yeboah averaged 15.3 points and 5.1 rebounds per game. He had nine 20-point games as a sophomore and was named to the Second Team All-America East. He scored a career-high 30 points to go with eight rebounds against Columbia on December 7, 2017. Yeboah averaged 20.4 points through the first 12 games of his junior season. On December 22, 2018 against Quinnipiac, Yeboah suffered a hyperextended knee but returned to the lineup after missing a game. Yeboah averaged 16.7 points and 7.7 rebounds per game as a junior for the Seawolves while shooting 41.3 percent from the floor and 31.6 percent from three-point range. He was named to the First Team All-America East. In three seasons at Stony Brook, Yeboah scored 1,317 points, the sixth-most in program history.
Rutgers (2019–2020)
Yeboah entered the transfer portal in March 2019 as an impending graduate student, but retained his eligibility at Stony Brook for the 2019–20 season. He was listed as the 36th-best graduate transfer according to Stadium's Jeff Goodman. On May 2, 2019, Yeboah announced that he would transfer to Rutgers, reuniting with his former head coach Steve Pikiell and choosing the Scarlet Knights over SMU and TCU. He was eligible immediately as a graduate transfer. Pikiell called Yeboah "a huge addition to our program,” and he was a key piece in helping Rutgers have one of the best homecourt records and its first winning season since 2006. Yeboah scored 20 points, including a three-pointer to tie the game at 72 with two minutes to play, in a 75–72 win against Nebraska on January 26, 2020 and surpassed the 1,500-point milestone. In his senior season, Yeboah averaged 9.8 points and 4.8 rebounds per game and earned the Big Ten Sportsmanship Award.
