Launch HN: Bloomy (YC S26) – AI-powered mastery learning for K-12 79 points by alexsouthmayd 13 hours ago | hide | past | favorite | 82 comments Hi HN, I’m Alex Southmayd, the founder of Bloomy ( https://bloomylearning.com ) – an AI-powered mastery-learning platform for K-12 students. Bloomy provides students with an AI tutor alongside adaptive curriculum (right now Math, English Language Arts, and Writing). How it works: we diagnose students’ skill gaps, place them on personalized learning paths, and give them standards-aligned lessons and a Socratic AI tutor that scaffolds their learning without just giving away the answer. The goal is to solve the Bloom 2-sigma problem ( https://en.wikipedia.org/wiki/Bloom%27s_2_sigma_problem ) with AI. Short launch video: https://tinyurl.com/bloomylearning Longer product demo: https://youtu.be/XHvoKt6qMeo Families access for Bloomy: https://bloomylearning.com/families I started as a teacher.…