A quick update: first, the Newton Police say that there wasn't a crime. Publishing personal information can create civil liability, but the Folks in Blue don't get involved unless someone steals the information. Of course, the impression Catawba County Schools seem to want to project is that Google did steal this information, but as I said before, that theory doesn't seem to hold water.
Second, something from the initial Hickory Daily Record article that I chose to ignore the first time around came back to me while I was showering for work, and now it's really bugging me. CCS's top tech officer said this: "One of the students on the list had a presence on the Web. ... In Google’s effort to get information on her, one of its spiders latched onto her name in this document."
Say what now? Are they looking to lay some blame for their security failures on one of their students? For having "a presence on the Web"? The facts aren't all out there yet, but CCS seems bound and determined to take zero responsibility for the unauthorized release of student social security numbers.