Edtech hasn't improved learning, so far, say critics. And it may encourage students to offload thinking to a bot.

Gamifying education might be fun for kids, but they're not likely to learn very much.

The more time students spend on screens the less they learn, argues neuroscientist Jared Cooney Horvath.

Students are using Chromebooks and iPads, starting in kindergarten. Most teachers say devices cause distractions.

It's not just smartphones: Classroom laptops are distracting students, say teachers.

Internet-connected devices are distracting students -- not helping them learn.

If students don't learn foundational math skills, they tend to fall farther and farther behind.