<p>The best source of information is working professionals.;) Send your child to some kind of summer intern program for high school students where he/she will get much more information than on this board.
I don't know where you live.
Here is one of Houston intern programs:
<a href="http://www.houston-mediasource.org/%5B/url%5D">http://www.houston-mediasource.org/</a></p>