[2] In 2017, Koloko moved to the United States to play basketball for Birmingham High School in Lake Balboa, California as a junior, despite not speaking English at first.

[3] For his senior season, he transferred to Sierra Canyon School in Chatsworth, California, where he was teammates with Cassius Stanley, Kenyon Martin Jr. and Scotty Pippen Jr.[4] Koloko helped his team claim its second straight Open Division state title.

[7] On 21 November 2021, Koloko posted a career-high 22 points, seven rebounds and four blocks in an 80–62 win over fourth-ranked Michigan at the Roman Main Event title game, earning tournament MVP honors.

[14] A day later, he was put into NBA's fitness-to-play panel due to the seriousness of the blood clot issue, meaning no teams can claim waiver to sign him until he is medically cleared to play.

[17] On November 6 2024, he made his Lakers debut against the Memphis Grizzlies with Anthony Davis unavailable to play and Christian Wood still recovering from arthroscopic surgery on his left knee.