Sites that cover a bit of everything, for when you want one place to start rather than twelve.
Free video lessons for every year from Year 1 to Year 11, sorted by year group so you can pick up wherever your child is. Useful when you want someone else to do the explaining for a bit.
Oak is the national curriculum body for England, and it says it's now used in 72% of schools. The pupil side is the bit for home: choose a year, then a subject, and work through lessons that follow the national curriculum. It's free, and you don't need an account to watch.
Short videos, guides, quizzes and games for nearly every subject, from age 3 up to GCSE. The one most people already know, and still a good first stop for a topic you're both rusty on.
It's split into Primary (ages 3 to 11) and Secondary (11 to 16), then by subject and topic, with step-by-step guides, videos, quizzes and games throughout. There's a Careers section for older ones too. All free, from the BBC.
Free lessons and practice in maths, science, computing, history, economics and more. Best known for maths, where it walks through a topic step by step and then gives you questions until it sticks.
Khan Academy is a non-profit and everything on it is free; it runs on donations. It's American, so the maths courses follow US grades rather than UK years, but the skills are the same and you can jump straight to a topic. Families can set up free accounts to follow a child's progress.
