Khanmigo, MagicSchool, Photomath, Socratic, Quizlet AI, Chegg AI. The first credible answer to Benjamin Bloom's 1984 two-sigma problem — personalized tutoring at scale.
40 named EdTech vendors. 5 AI engines. 15 anchor prompts. EPR's flagship Citation Share Index for the education-technology category, 2026 baseline.
K-12 platforms, higher-ed LMS, language learning, professional credentialing, AI tutoring. EPR's defended reference on the modern EdTech stack in the answer-engine era.
Khan Academy is the longest-running and most-studied case in AI-native education. The 22-year arc from YouTube cousin-tutoring to the OpenAI partnership demonstrates what AI in education actually looks like when the underlying content infrastructure is already in place.