More schools than ever give students computers and tablets. They're also surveilling their online activity more than ever.“The internet allows us to connect to a lot of really great important information, and kids are less likely to access it if they know that they're being surveilled," says Cody Venzke at the Center for Democracy & Technology. But school technology officials say the benefits outweigh the concerns.
Three years ago, there was a school shooting at Dixon High School. It ended before any students could be hurt. Because of that incident, Dixon was asked…