[5][6] Under Etiwanda coach David Kleckner, a defensive specialist, he developed into a two-way player who played unselfishly.

[7][8] Clark averaged 18.5 points, 6.4 rebounds and 2.7 assists per game at Etiwanda, and led the Eagles to the CIF Southern Section Open Division regional finals.

[10] In his freshman year at the University of California, Los Angeles, in 2020–21, Clark was a reserve and averaged 2.5 points and 2.4 rebounds in nine minutes per game for the Bruins.

[11] He made the game-winning free throw in an 80–79 win over Arizona State at home in Pauley Pavilion.

[13] Clark helped lead a 14-point comeback in the First Four with a layup, a pair of assists, and an offensive rebound in an 86–80 overtime win over Michigan State.

[4][16] According to UCLA head coach Mick Cronin, "With consistent minutes, you’re going to see him produce a lot more on the offensive end".

[25] The Bruins lost in the Sweet Sixteen to Gonzaga, with an injured Adem Bona also missing the game for UCLA.

[30] On July 7, 2023, he signed a two-way contract with the Timberwolves,[31] and aimed to return to play around the middle or late in the season.