District-led training doesn't address technology at the pace it is changing, so teachers need to build a community of like–minded educators to turn to when tech questions inevitably arise, Nussbaum-Beach says.
"It used to be, study hard because what you know matters. Then it was, it isn't what you know, it's who you know,'" she says. "Now it's, do you know what who you know knows?"
See U.S. News's coverage of Technology in the Classroom.