More Pupils Are Learning Online, Fueling Debate on Quality

"Nationwide, an estimated 1.03 million students at the K-12 level took an online course in 2007-8, up 47 percent from two years earlier, according to the Sloan Consortium, an advocacy group for online education. About 200,000 students attend online schools full time, often charter schools that appeal to home-schooling families, according to another report."