Were Are Sign Language Classes?

Colleges:
http://www.multilingualbooks.com/aslschools.html#missouri

Helpful info here:
http://www.mcdhh.mo.gov/programsandservices.shtml

Also, you can contact your local community colleges to see if they have ASL-learning programs.

Another resource: your local library should have information of any or all available programs in your area, and should be able to assist you in finding the right course.