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Flint (YC S23) — Personalized learning built for schools

Flint is an AI-powered personalized learning platform for K-12 schools, helping teachers deliver individualized instruction at scale. Through AI-driven tutoring, real-time feedback, and interactive learning experiences, Flint enables every student to receive personalized support without adding to teacher workload.

Flint is a Y Combinator company in the Summer 2023 batch. Its directory entry describes it as: Personalized learning built for schools. The founders listed are Sohan Choudhury (Founder), Jinseo Park (Founder) (Y Combinator directory entry, June 14, 2023).

6 more companies from YC Summer 2023 ↓

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Flint

New accelerator entry · 2023-06-14 · the record

Summer 2023
batch
18
people
Growth
stage
United States of America
region
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What the record says

BatchSummer 2023
Announced2023-06-14
StageGrowth
StatusActive
Team size18
IndustryEducation
Sub-industryEducation
SectorsEducation, Generative AI, Edtech, AI
RegionsUnited States of America, America / Canada, Remote, Partly Remote
BasedNew York City, NY, USA
HiringYes
Sitehttp://flintk12.com/
Founded2023
YC group partnerPete Koomen

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Also in YC Summer 2023

Same batch, Education first.

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In their words

Flint is an AI-powered personalized learning platform for K-12 schools, helping teachers deliver individualized instruction at scale. Through AI-driven tutoring, real-time feedback, and interactive learning experiences, Flint enables every student to receive personalized support without adding to teacher workload. With AI-native student analytics, educators gain full visibility into student progress, strengths, and areas for improvement, while saving time on grading, lesson planning, and differentiation. Students receive a 24/7 AI tutor that adapts to their level without giving away answers, supporting deeper understanding and independent thinking. For schools and districts, Flint provides robust AI guardrails, including customizable moderation, grade-level controls, and full transparency into student usage, ensuring safe and responsible AI adoption.

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  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

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  7. Warning Bells

  8. Sources

    1 cited source found

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Flint: Accepted into Y Combinator Summer 2023
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Permanent URL: https://mentionfox.com/funding/yc-flint-2
Last updated 2026-10-29
Primary record: Y Combinator directory entry
Flint (YC S23) — Personalized learning built for schools. MentionFox, 2026-10-29. https://mentionfox.com/funding/yc-flint-2