Perhaps the publishing function can have a more detailed form.
If details are filled in, then it's review for posting on high traffic pages.
If details are missing, then it's put in an archive for later data mining (Try to answer "What gives the students difficulty that leaves partially completed projects?")
Graphic of a sample "Publish Project dialog box" I created is attached.
Cheers, Darius
squeakland@lists.squeakfoundation.org