Every morning before Cindy Price starts teaching her first graders in New Castle, Delaware, she fires up ClassDojo, a classroom communication app. She checks parent messages, finds out whether any ...

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 ...

SAN FRANCISCO — Before launching ClassDojo in 2011, Sam Chaudhary and co-founder Liam Don did their own homework by talking to teachers, parents and students. “The problem that emerged was really the ...

HUNTER, N.Y. — For better or for worse, the third graders in Greg Fletcher’s class at Hunter Elementary School always know where they stand. One morning in mid-October, Mr. Fletcher walked to the ...