She was the starting pitcher for James Madison University from 2017 to 2021, leading the team to their first-ever Women's College World Series in 2021 and making it to the semi-finals.
She was an accidental recruit, when then-James Madison Softball coach Mickey Dean attended one of her high school games in 2014 eyeing the pitcher on the other team but ended up offering Alexander a scholarship to JMU.
[4][5] Alexander made her debut for James Madison on February 10, 2017, against Charleston Southern where she recorded 8 strikeouts and led the team to a 13–3 victory.
[7] Alexander chose to return for her fifth year of eligibility in 2021, and finished off her college career with her most successful season, despite not playing for a month, from March 12 to April 17, due to a hamstring injury.
[16] Starting in all three games against Missouri and winning two out of three, Alexander helped James Madison advance to their program's first Women's College World Series.
[17] In Alexander's 2021 Women's College World Series debut on June 3, James Madison upset number-one seeded Oklahoma 4–3 after eight innings.
[18] The next day, James Madison defeated Oklahoma State 2–1 to advance to the semi-finals and become the first unseeded team in Women's College World Series history to win two games in the tournament.
During the top of the seventh inning when Oklahoma State had runners on second and third base, Alexander fielded a bunt and proceeded to dive to tag out OSU's Scotland David at home plate to secure the victory for JMU.
[7][22] On June 13, 2021, Alexander signed a professional contract with the USSSA Pride, joining former JMU players Megan Good and Jailyn Ford.