Katherine Ernst is a 2022 graduate from Agnes Irwin High School. She was a 4 year varsity letter winner and specialized as a true midfielder, including taking the draw. While playing at Agnes Irwin she won the Varsity Lacrosse Most Improved Award as a freshman and her team went on to win the Inter-ac Championship in 2021 and received 2nd place in PAISAA Championship. Katherine was a member of both the Ultimate PA 22 Blue Team and the Ultimate Elite Team. She is currently playing lacrosse at Division 1 Vanderbilt University.