Useful Free Educational Website for all ages:
Interactive games to teach phonics.
This is a really good site for worksheets for all subject areas, and usually costs, but they are offering a month of free access to parents in the event of school closures.
Lots of resources in all subject areas for all ages.
This site is old and no longer updated and yet there's so much still available, from language learning to BBC Bitesize for revision. No TV licence required except for content on BBC iPlayer.
Resources for English language learning
Oxford Owl for Home
Lots of free resources for Primary age
Educational online games