High School:
A three year letterwinner in soccer for the Scots of Carlmont High School in Belmont, Calif., Kerwin was a member of two Peninsula Athletic League Bay championships from 2005-2006, the end to a string of eight consecutive championships for Carlmont. In 2007, the Scots finished second in the league finishing the year at 10-4-2. As a junior Caitlin earned first team all-league honors for her play while earning honorable mention honors as a senior in 2007. Off the field, Kerwin was a member of several student help organizations at school as she worked in Students Offering Support, The Ophelia Project and Conflict Mediation.

Club:
Kerwin is a member of the De Anza Club along with fellow Tiger teammate, Lily Chavez.

Personal:
Born in Palo Alto, Calif., she is the daughter of Lisa and Patrick Kerwin. Caitlin has one younger sister, Melissa. She has yet to decide a major plan of study.