A Tennessee district's math software trial shows gains came from the platform, not the AI tutor
A two-year randomized study of 18 middle schools found faster math gains from Khan Academy even though students barely used its bundled AI chatbot.

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This story was reported and published by Chalkbeat. What follows is our summary of it, and why it matters for people writing policy.
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According to the piece, a two-year randomized study in a Tennessee school district assigned low-performing middle schoolers either to Khan Academy's self-paced online math program, bundled with the AI chatbot Khanmigo, or to a mix of other digital tools and teacher-led small groups. Students using Khan Academy made faster math gains, but researchers found the improvement came from the platform itself, not the AI: students engaged with Khanmigo only about a third of the days, often sending off-topic messages rather than seeking help. For districts considering AI tutoring add-ons, the finding suggests structured, self-paced practice mattered more than the chatbot layered on top.
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