For gifted kids, traditional group instruction that are graded based on age do not work.
BBC Bitesize – https://www.bbc.co.uk/bitesize
BBC Bitesize is a free educational platform created by the BBC that offers clear, student-friendly lessons across a wide range of school subjects. It provides short explainers, animations, step-by-step guides, and interactive quizzes aimed at primary to post-16 learners. The content is structured to support classroom learning, homework, and exam revision, making it especially helpful for homeschooling, enrichment, and skill-building across core academic areas.