The Common Data Set figures are gathered by a standardized methodology (dictated in large part by the methodology of reports colleges are required to make to the federal government). Here's a pretty comprehensive list of publicly posted Common Data Set filings for colleges.

http://talk.collegeconfidential.com/college-search-selection...

(Go to near the end of this long thread for the latest updated alphabetized list.)

The tuition revenue per professor indicated in the HN comment

http://news.ycombinator.com/item?id=1268063

is simply too high. That was a wild guess, not a statement based on actually doing research.