School districts across the country are aggressively cutting back on the avalanche of paper sent home, trying to exploit the much-cheaper communication channel of the internet, reports the New York Times. While saving money is often the main motivation, some districts are finding that going paperless has other advantages, like eliminating classroom distractions, informing parents more quickly about test results or swine flu outbreaks, and promoting environmentalism. Schools in the Chicago suburb of Naperville have adopted paperless policies and begun a "take back the backpack" campaign to cut down on fliers handed out to students. School boards from Georgia to Arizona have switched to paperless meetings, where online agendas and minutes have replaced inch-thick information packets. And New York’s Scarsdale Middle School will no longer print report cards this year; instead, grades will be available through a secure section of its web site, which officials said would save $1,000 annually and, they hope, reduce peer pressure over comparing grades. But the demise of the time-honored tradition of letters stuffed in backpacks has worried educators and parents who say that some families still do not have regular access to the internet and may miss important information–and not even know it…