ClassDojo

ClassDojo's mission is to give every kid an education they love. Our flagship communication app has become the world's largest network serving kids, reaching over 51 million kids, families and teachers in 180 countries every month, entirely through word of mouth. They use it to share the best moments in a kid's day through pictures, videos, messages, and more. ClassDojo has recognized by Forbes, LinkedIn, Inc and Fast Company, and it is a top 100 Y Combinator company.