A CNET News report on why Johnny can't blog (which is actually about whether heavy investments in technology pay off):

While such reports are promising, few education experts expect computer instruction to translate directly into better grades--a factor that could pose problems for federal funding of technology programs down the road, depending on how heavily the Education Department's evaluation program relies on test scores.

"No one will say, 'Give me technology and I'll guarantee test scores will go up in two years,'" said Saul Rockman, founder of San Francisco-based technology education consulting firm Rockman Et Al and former head of education research at Apple. "The feds are saying, 'Prove that it makes a difference.' The fact is, technology programs don't have the weight to raise test scores."