Its not an issue of finding a place to find teachers of children. Once youre comfortable with the software you can make a quiz for anyone, the content is what you choose to include. So I suggest running through captivate tutorials for beginniners geared toward quiz building.
This is a good place to start:
http://www.youtube.com/watch?v=WSPpKQHMZpg
because the adobe eLearning channel in youtube is a great resource once you are done with the one video.
Hope this helps.
Corey