https://he-exams.wikia.org/wiki/HE_Exams_Wiki

https://classroom.thenational.academy/
as it’s free and you just go on the teacher hub area and select the key stage and subject then work through the videos etc.
free and cheap resources
https://senecalearning.com/en-GB/
https://www.youtube.com/user/mrbruff
https://www.youtube.com/channel/UC4Om1NAgNBjC5zS3JunyZiQ/videos
https://www.bbc.co.uk/bitesize
https://www.cgpbooks.co.uk/secondary-books/online-editions
Exams
Past papers
https://qualifications.pearson.com/en/support/support-topics/exams/past-papers.html
online art gcse
maths revision
https://www.mathsgenie.co.uk/gcse.html
good for maths and free
AQA have a list of centers that take private candidates – local schools which charges around £90 per exam
https://www.aqa.org.uk/student-and-parent-support/private-candidates/finding-a-school-or-college