The 11-year-old ed tech unicorn led by Under 30 alumni Sam Chaudhary and Liam Don was quietly valued at $1.25 billion by Tencent last fall as part of its virtual push. ClassDojo president Liam Don is ...

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 ...

ClassDojo co-founders Liam Don (left) and Sam Chaudhary believe the success of their free classroom-management app will pave the way for additional paid services meant to support learning at home ...