What clubs do you belong to? What clubs would you WANT to belong to? What do these clubs do that interest you?
When I was a member of the Shakespeare's Club we discussed book and at one point in the year we went to a Renaissance Festival!
I was a member of FFA and we discussed new ways of growing crops and methods of caring for farm animals. We even took a tour of a local farm.
Organizations teach you things you don't necessarily learn in your classes and give you real world experiences connected with the organization that will last a lifetime.