[4] He moved to New York to play his final two years of high school basketball at Redemption Christian Academy in Troy.

[7] In his freshman season for Northwest Florida State College, Duarte averaged 12.1 points, 6.7 rebounds and two steals in 23.3 minutes per game, earning first-team All-Panhandle Conference honors and helping his team reach the Elite Eight round of the NJCAA Division I Championship.

[8][9] On September 20, 2018, he announced that he would continue his career at NCAA Division I program Oregon after one more season at Northwest Florida State.

[10] As a sophomore, Duarte averaged 19 points, 7.1 rebounds and 2.5 assists per game, helping his team return to the Elite Eight round of the NJCAA Division I Tournament.

[15] On December 29, Duarte scored a junior season-high 31 points, shooting 12-of-15 from the field and 6-of-9 from three-point range, to go with six assists and five rebounds in a 98–59 win over Alabama State.

[20] During the 2020–21 season, Duarte led the Ducks to an appearance in the Sweet Sixteen of the NCAA Division I men's basketball tournament.

On April 3, 2021, Duarte was named recipient of the 2021 Jerry West Award as the top shooting guard in men's collegiate basketball.

[22] On March 29, 2021, Oregon head coach Dana Altman indicated in a press conference that Duarte would enter the 2021 NBA draft.