Adobe will support you if they can find evidence that you've purchased the software. If they can't, they're at a bit of a disadvantage themselves.
You can always re-download the software from Download CS6 products
However, that will install as a 30 day time limited trial version. You'll need to enter your CS6 serial number to license it again on your computer.
The serial number is what you need to find (then store safely for future reference).
purchased the software through my school website that goes through adobe.
Have you tried going back through where you bought the software? You would have registered the software when you first bought it.