There are so many institutions in the United States and other developed countries of the world today that offer education to adults of any genre. If you are interested, you will have no trouble at all finding your own personal niche. All you need is to be defined about what you are looking for, and to be willing to pay whatever they charge you to. The rest is simply about you being there when the classes are given.
There are a lot of people all around you who never had any schooling. A lot of them are living substandard lives because they cannot do well by themselves. If you care, you could introduce them to adult education; give them a chance to make a living for themselves.
A lot of social service programs insist on adult education for their workers amongst everything else that they make available. It is easy to see, especially when you consider all that people can get from them. Afterall, if they are going to be helping people, they have to position themselves rightly to do so, or you have to position them. I'm sure you agree.
Even if you have nothing else to do besides going to church all week round, you could still get your adult education there. Churches for a fact have some of the best programs known to people in that line.
Adult education has been around for a while. People got to an age in which they feel like they've lost a lot to time, but someone puts something together to help them make up for it. That practice is centuries old. Now if you are not moving ahead in life, it's your fault; and that's a statement of fact.
There are lots of folks who had opportunities to become far more than they could ever imagine, but they wasted such when they were growing up. They live in regret as adults because they don't see a way out. Well, adult education is that way out for them. But only if you get started in taking action towards improving your life, educationally.