The Tutoring Revolution: How the Most Effective Teaching Method in History Is Finally Being Scaled
In 1984, educational psychologist Benjamin Bloom discovered that one-to-one tutoring was so effective that the average tutored student outperformed 98% of classroom students. He called it the 2 Sigma Problem, and it went unsolved because tutoring was simply too expensive to scale. That is beginning to change. This is the story of how high-dosage tutoring, AI, and post-pandemic urgency are finally making the most effective teaching method in history available to the students who need it most.