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Dininger: Brain Buffs users saw a 148-point average SAT score increase

Sandy Dininger · Advice Line: "Strategy Sessions" · Aug 6, 2026 · at 35:20

Sandy Dininger is the co-founder of Brain Buffs, an edtech test-prep platform. He shares student outcome data with host Guy Raz and guest Shazi Visram.

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“Our first cohorts were the year before, and the average student increased 148 points, and that's about, like.75 standard deviations above their expected growth for our engaged students.”

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The claim, plainly

Students engaged with Brain Buffs' first cohort achieved an average SAT score increase of 148 points, approximately 0.75 standard deviations above expected growth.

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Mentioned

Brain Buffs SAT

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Dininger: Brain Buffs users saw a 148-point average SAT score increase

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