ClassDojo (YC S12) — Communication app for K-8 teachers, kids, and families
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.
ClassDojo is a Y Combinator company in the Summer 2012 batch. Its directory entry describes it as: Communication app for K-8 teachers, kids, and families. The founders listed are Sam Chaudhary (Founder/CEO), Liam Don (Founder/CTO) (Y Combinator directory entry, June 5, 2016).
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
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.
Sam Chaudhary
Founder/CEO
Liam Don
Founder/CTO
Founders, titles and bios as the company published them. Photographs are our own copies of the ones on that record, so they do not break when the original link expires.
No investor is drawn from a Form D — the form states how many invested and never who. The one investor on this graph is named because a batch has exactly one.
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
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What the Full Report on ClassDojo covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
1 cited source found
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