Seven years ago, when Erica Bohrer, a first-grade teacher from Long Island, New York, started selling her lesson plans on the website Teachers Pay Teachers, she just wanted to make a few extra bucks ...

A recent study found that giving middle school math teachers access to inquiry-based lesson plans and online support significantly improved student achievement —and benefited weaker teachers the most.

Miss Kindergarten is in the million-dollar club. So are Lovin Lit, the Moffatt Girls, and about a dozen other teacher-entrepreneurs who are spinning reading, math, science and social studies into gold ...

You won’t get rich as a teacher, right? That’s no longer true for a small but growing number of educators who are making big bucks selling their lesson plans online. On a peer-to-peer site called ...