I'ma

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. Good morning. I'm Jane Pauley, and this is Sunday morning.

A sea change in the way K through 12 students are learning is sweeping the nation.

And it has nothing to do with reading, writing,

or arithmetic. It has to do with technology, or in this case the absence of it in the classroom.

More than 30 states and counting are restricting the use of cell phones in schools.

The move has earned praise from most teachers, but how do kids feel about

being separated from their otherwise omnipresent phones? Tony DeCopal looked into it,

and you might be surprised by what he's discovered.

It is now 1241, and period 9 is about to begin.

Remember high school before cell phones?

Well, it's back.

But for today's kids, it's a brand new world.

If you have a moment where you don't see any of your friends and you used to look at your phone then, what do you do?

We've only had the phone been for like four weeks. I think we still need a little bit more time.

Ahead on Sunday morning, high school, unplugged.

With songs like Wild World and Peace Train, Kat Stevens was a 70s phenomenon. Now known as Yusuf Kat

Stevens, he's looking back on his musical and spiritual journey with our Seth Dohn.

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