Laptops make it easier for students to edit their copy and make changes without getting writer's cramp, he said. As a result, students are writing and revising their work more frequently, which leads to better results. And it's important, Silvernail said, that those skills translated when the test was taken with pen and paper, too.

"It's just a lot easier to edit, to self-critique. Our teachers engage students in a lot of peer editing. Not only are they helping themselves, but they're helping each other as they get to their final projects," Rebar said.