'Paperless' Approach Catching On

Teacher Kerri Serrano had spent untold hours and countless reams of paper copying material for her 12th grade government class when finally she had an epiphany: She’d give up paper altogether.

Her school, T.C. Williams High in the 10,500-student Alexandria, Va., school district, had just been renovated to make it more environmentally friendly, so Serrano decided to stick with that theme.

“I had become so frustrated with the amount of time it would take to make copies of certain things, and there are some items students could access only on...