FCA doesn't have to end with high school. Check out this list of colleges with FCA in the state of Indiana.
And when you graduate, and attend college, make an effort to attend the Huddle meetings on campus.
IUS (Indiana University Southeast)
University of Evansville
University of Southern Indiana
If you are a college student, and wish to start an FCA Huddle on your campus, contact Dave Hudson at email@example.com