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Bloomy

San Francisco, US · Founded 2026 · 1 employees · Hiring · 7 known investors

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Bloomy is an adaptive learning platform that uses AI to teach ELA, Math, and Writing to K-12 students through personalized lessons, live AI tutoring, and mastery-based assessments. The platform serves schools and districts seeking differentiated instruction grounded in learning science.

Also known as Bloomy Leaming, Inc.

AI & Machine Learning EdTech AI-Enhanced Learning Artificial Intelligence Education eLearning PersonalizationUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S26)

Bloomy was founded in 2026 by Alex Southmayd.

AS

Alex Southmayd

Alex Southmayd FounderAlex Southmayd taught 7th grade through Teach For America before instructing standardized test preparation at Manhattan Prep. He led driver acquisition at Lyft's New England division and later worked as an engagement manager at McKinsey on strategy and corporate development. He holds a BA from Amherst College, an M.Ed. from Boston University, and an MBA from Stanford Graduate School of Business.

Investors · 7

Transpose Platform Managementlisted by Transpose Platform ManagementSan Francisco

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Y Combinatorlisted by Y CombinatorSan Francisco · $500K

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Andreessen HorowitzreportedMenlo Park · $500K – $50M

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Lyra Capital Pty LtdreportedSydney

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Reach CapitalreportedSan Francisco · $100K – $12M

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RobinhoodreportedMenlo Park

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Workshop Venture PartnersreportedSan Francisco · $3M

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Companies working in the same space as Bloomy.

Legal entities · 1

corporate structure

Bloomy Leaming, Inc.

In the news

Bloomy: AI-powered mastery learning for K-12ycombinator.com · Jul 2026

Frequently asked questions

What does Bloomy do?: Bloomy is an adaptive learning platform that uses AI to teach ELA, Math, and Writing to K-12 students through personalized lessons, live AI tutoring, and mastery-based assessments. The platform serves schools and districts seeking differentiated instruction grounded in learning science.
Who founded Bloomy?: Bloomy was founded by Alex Southmayd in 2026.
Who are Bloomy's investors?: Bloomy's investors include Transpose Platform Management, Y Combinator, Andreessen Horowitz, Lyra Capital Pty Ltd, Reach Capital, Robinhood, Workshop Venture Partners.
Where is Bloomy headquartered?: Bloomy is headquartered in San Francisco, US.