[2][3][4] She earned a bronze medal while playing for the United States in the 2016 FIBA Under-17 World Championship for Women.

[7] Collier was a four-year letter winner for Barbers Hill High School in the greater Houston area.

Collier was a 2018 McDonald's All-American,[8] a Jordan Brand Classic participant[9] and the 2017–18 Gatorade State Girls Basketball Player of the Year.

[10] She was a USA Today All-USA Texas Girls Basketball First-Team Selection in 2018 and was a finalist for the Naismith Trophy High School Player of the Year Award.

Collier was named to the 2017 UIL Class 5A State All-Tournament Team and was a nominee for the Gatorade Player of the Year Award.

She averaged 4.9 points per game, Collier scored in double figures on eight occasions during the year and led the Longhorns with 20 blocks.

[18] Collier was one of five finalists for the 2021 Lisa Leslie Award, which recognizes the top center in women's college basketball.

[22][23] The Wings had both the first and second overall picks that year after a trade with the New York Liberty; Dallas selected Awak Kuier immediately after Collier.

[25][26][27] After being released by the Wings, Collier played for professional teams in Italy, Israel, Poland, and China between 2021 and 2023.

[28] Collier was a member of the United States U-17 Women's National Team that won a bronze medal at the 2016 World Championships.

Collier has hosted her own online show in preparation for her future career, and has interviewed high-profile guests like Kevin Durant of the Phoenix Suns.

[32] Growing up, Collier's family was friends with Retha Swindell,[33] the University of Texas' all-time career rebounds leader and the first African-American woman to play basketball for the Longhorns.