In your first post you said you were told that the work you did was copyright of the college. Have you checked out their website to see the IP policy ts and cs? The factors mentioned in some of the posts may be relevant as to why a college formulates a policy of ownership (use of resources etc.) but what applies to your own case is a matter of what the terms of the policy say, and whether it forms part of your contract that you made (ie payment of fees in return for eduction). So rather than setting out what they paid for or didnt you should check out the IP policy terms and conditions.