Since cellphones arrived on the scene, education blogger Maureen Downey says she has observed that students look down at their phones more and out at the world less. In this blog post, she shares a letter from a teacher who observed similar behavior in her own school when the principal lifted a cellphone ban and allowed students to use their own devices in the classroom. Raising questions about whether cellphones and schools are compatible, the teacher writes that she maintained a ban in her own classroom but still had to tell some students to put away the devices.

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