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The education section is typically dominated by apps for designed for the owner's children. Parents go in there looking for stuff to occupy their kids in a healthy way. Does your app fit that description? Apps that keep kids quite in the car are very valuable to parents, and they will pay for them.

If your app is something that teenagers would want, then it should go in Music.

According to this article, Music would be a better choice since there are fewer Music apps being submitted.

http://www.somegeekintn.com/blog/2011/10/lies-damned-lies-an...

You can select 2 categories anyway.