|Hometown:||San Antonio, TX|
|High School:||East Central HS|
Foster was a three-sport athlete for the Hornets, earning letters in volleyball, soccer and golf. She was the Outstanding Offensive Player for District 28-5A, team MVP and a First Team All-District selection on the volleyball team. She earned Academic All-District distinctions in all three sports and was also an Academic All-State selection in volleyball.
Kaitlyn is the daughter of John and Karen Foster and has two siblings, Megan and Justin. She is majoring in biology and political science at Southwestern.