Anyone who cares about America's shortage of computer-science experts should cheer the recent news out of Georgia Tech. The Atlanta university is making major waves in business and higher education with its May 14 announcement that the college will offer the first online master's degree in computer science—and that the degree can be had for a quarter of the cost of a typical on-campus degree. Many other universities are experimenting with open online courses, or MOOCs, but Georgia Tech's move raises the bar significantly by offering full credit in a graduate program.

It...