Sister Cities sponsors youth exchanges with Carleton Place, Canada and Bad Soden, Germany. Youth from Williamson County spend a week in Carleton Place attending school and participating in leisure and recreational activities. In return, youth from Canada spend a week in Williamson County. The exchange with Bad Soden is two weeks in length and utilizes the same format. Williamson County youth generally travel in the late spring as soon as school is out and the youth from Canada and Germany travel to Williamson County in the late summer/early fall after school starts.