Under enormous pressure to reform, the nation's public schools are spending millions of dollars each year on gadgets from text-messaging devices to interactive whiteboards that technology companies promise can raise student performance.
Driving the boom is a surge in federal funding for such products, the industry's aggressive marketing and an idea axiomatic in the world of education reform: that to prepare students kids for the 21st century, schools must embrace the technologies that are the media of modern life.
Increasingly, though, another view is emerging: that the money schools spend on instructional gizmos isn't necessarily making things better, just different. Many academics question industry-backed studies linking improved test scores to their products. And some go further. They argue that the most ubiquitous device-of-the-future, the whiteboard -- essentially a giant interactive computer screen that is usurping blackboards in classrooms across America -- locks teachers into a 19th-century lecture style of instruction counter to the more collaborative small-group models that many reformers favor.
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