Nearly four in five — 78 percent — of teachers say they haven't received the training they need to effectively use the technology they're asked to in the classroom, according to a new report.

Nearly all teachers — 95 percent — are using technology in the classroom nowadays. Elementary and middle school grades dominate when it comes to tech usage. What are the most popular tools?

Nearly two-thirds of teachers, principals, and district leaders report experiencing technology fatigue, survey found.