You could probably get an educational license if you only use it for teaching.

Have you looked into using LT instead?

In regards to the Kickstarter campaign, I think you should put a video, as that it what you're selling after all. Not a lot of people will venture out onto youtube to take a look. You need to make a quick, and compelling reason why they should go with you over other people. Show some of your work if you can.

You must also complete this by February 1st, 2015 as Autodesk will be eliminating the upgrade policy at that time.