Wi-fi turns Arizona bus ride into a rolling study hall - NYTimes.com

VAIL, Ariz. — Students endure hundreds of hours on yellow buses each year getting to and from school in this desert exurb of Tucson, and stir-crazy teenagers break the monotony by teasing, texting, flirting, shouting, climbing (over seats) and sometimes punching (seats or seatmates).

But on this chilly morning, as bus No. 92 rolls down a mountain highway just before dawn, high school students are quiet, typing on laptops...