Maxwell attended Clear Springs High School in League City, Texas where she lettered in softball all four years.

[3][4] During the 2021 season, in her redshirt sophomore year, she appeared in 28 games with 19 starts, and posted a 15–5 record with a 1.81 ERA and 147 strikeouts in 116 innings.

She finished the season with 8.87 strikeouts per seven innings, which ranked seventh on the Oklahoma State all-time single-season list.

[5] During the 2022 season, in her redshirt junior year, she appeared in 35 games with 28 starts, and posted a 21–5 record with a 1.22 ERA, 313 strikeouts, 20 complete-games and 12 shutouts in 189+2⁄3 innings.

[6] She was also named a unanimous first team All-American and a top-ten finalist for USA Softball Collegiate Player of the Year.

[7] During the 2023 season, in her redshirt senior year, she appeared in 33 games with 24 starts, and posted a 16–7 record with a 1.91 ERA, 229 strikeouts, nine complete-games, four shutouts and a career-high five saves in 142+2⁄3 innings.

[16] Maxwell represented the United States at the 2024 Women's Softball World Cup and won a silver medal.