Khan Academy — free lessons and practice for school and adult learners

Khan Academy provides free instructional videos, practice exercises and personalised learning dashboards covering maths, science, history and more for primary, secondary and adult learners. The platform is free to use worldwide; UK pupils, parents and teachers can create free accounts, follow mapped learning sequences and track progress without subscription fees. Access is via the website or apps—no payment required—making it a widely used complementary resource for home study and classroom support.