Effective after school activities

When there are so many activities on offer, and each one looks as good as
the next, how do you gauge the worth and effectiveness of these
activities? Sure, you want an activity that junior enjoys. But, we really
cannot afford to waste time on pleasure for pleasure's sake, do we? There
needs to be a grain of gold somewhere in there. Given below is a list of
characteristics that any good after school activity must possess.