But just as online learning is taking off, new research is finding that it may not be the most effective way to teach children, and virtual companies have begun to see that a purely virtual approach has its limits.

A key report put out by the U.S. Department of Education in September 2010 demonstrated that a blend of face-to-face instruction and online learning produced the greatest academic gains. Now, not only are traditional schools looking for more online options, but virtual schools in turn are adding bits of brick and mortar to their offerings.

via Harvard Education Letter.