|Hometown:||Wedel, GERMANY/GREAT BRITAIN|
|High School:||Wirtschaftsgymnasium H19|
High School: Koerner joined the Buccaneers by way of Wedel, Germany and Wirtschaftsgymnasium H19 where she lined up as the #1 player on the squad. She also served as a tennis coach at the high school. Koerner also played on the TC RW Walstedt club team under Coach Ralf Wollgast.
Off the court, she also played on the swimming and badminton teams.