I am currently looking for the same answers as you are.
Çalling Adobe by phone led me nowhere. 45 mins holding for someone to pick up
is not good business!
Anyways, the only information I could find on the Adobe website was that you
need to find a non profit reseller and purchase it from them.
Here is the address to Adobe's Non Profit webpage. When you get there click on
"Find a Reseller" on the right side bar. [url]http://www.adobe.com/nonprofit[/url]