Adobe® Flex™ Builder 3 Pro for Education.

http://www.flexregistration.com/student.php

9. Upload scanned image (GIF or PDF) of the front of your Student ID stating a current date, for example: Fall 2007. If you do not have a Student ID please upload a scanned image (GIF or PDF) of a letter on your educational institutions letterhead that verifies that you are a current student at the institution*