The 1 big reason kids need cell phones in schools

There's been a lot of talk about banning them of late. If you're the parent of a school-aged child, then you know they're not a distraction. They're a lifeline.

There’s been a whole lot of talk recently about banning smartphone use among America’s school-aged children.

The argument, it goes (and there is some credence to it), is that smartphones are a plague that destroy childhood attention spans; deal devastating blows to adolescent mental health, and are generally “rewiring” the brains of the youngest American…