Austin was rated as the fourth ranked player in the nation in the 2018 recruiting class and the second ranked forward. She was also a 2018 McDonald's High School All-American. Austin signed with Maryland out of high school. Following her first season at Maryland in 2018–19, Austin was selected to the All-Big Ten Freshman Team after a school record 89 blocks. Following Austin's second and final season at Maryland in 2019–20, she was named to the All-Big Ten Second Team. After her sophomore season at Maryland, Austin announced her transfer to Ole Miss.[1][2][3]
In September 2022, Austin signed with the Israeli champions Elitzur Ramla, until the end of the season. She led Ramla to a second consecutive championship win, and was chosen as the league's best player.