Mojo and Katie may resemble characters from the cast of Pixar’s “Inside Out.” But the two critters are stars of their own show: a series of animated shorts, produced by ClassDojo, that aim to help ...

At a time when empathy is in decline—and bullying is on the rise—educators see promise in the app’s lessons on kindness and respect. No sooner had the fifth graders in Jennifer Ellison’s reading class ...