Khan Academy https://www.khanacademy.org
Especially good for maths and computing for all ages but other subjects at Secondary level. Note this uses the U.S. grade system but it’s mostly common material.

BBC Learning http://www.bbc.co.uk/learning/coursesearch/
This site is old and no longer updated and yet there’s so much still available, from language learning to BBC Bitesize for revision.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.

Futurelearn https://www.futurelearn.com
Free to access 100s of courses, only pay to upgrade if you need a certificate in your name (own account from age 14+ but younger learners can use a parent account).

Seneca https://www.senecalearning.com
For those revising at GCSE or A level. Tons of free revision content. Paid access to higher level material.

Openlearn https://www.open.edu/openlearn/
Free taster courses aimed at those considering Open University but everyone can access it. Adult level, but some e.g. nature and environment courses could well be of interest to young people.

Blockly https://blockly.games
Learn computer programming skills – fun and free.

Scratch https://scratch.mit.edu/explore/projects/games/
Creative computer programming

Ted Ed https://ed.ted.com
All sorts of engaging educational videos

National Geographic Kids https://www.natgeokids.com/uk/
Activities and quizzes for younger kids.

Duolingo https://www.duolingo.com
Learn languages for free. Web or app.

Mystery Science https://mysteryscience.com
Free science lessons

The Kids Should See This https://thekidshouldseethis.com
Wide range of cool educational videos

Crash Course https://thecrashcourse.com
You Tube videos on many subjects

Crash Course Kids https://www.youtube.com/user/crashcoursekids
As above for a younger audience

Crest Awards https://www.crestawards.org
Science awards you can complete from home.

iDEA Awards https://idea.org.uk
Digital enterprise award scheme you can complete online.

Paw Print Badges https://www.pawprintbadges.co.uk
Free challenge packs and other downloads. Many activities can be completed indoors. Badges cost but are optional.

Tinkercad https://www.tinkercad.com
All kinds of making.

Prodigy Maths https://www.prodigygame.com
Is in U.S. grades, but good for UK Primary age.

Cbeebies Radio https://www.bbc.co.uk/cbeebies/radio
Listening activities for the younger ones.

Nature Detectives https://naturedetectives.woodlandtrust.org.uk/naturedetectives/
A lot of these can be done in a garden, or if you can get to a remote forest location!

British Council https://www.britishcouncil.org/school-resources/find
Resources for English language learning

Oxford Owl for Home https://www.oxfordowl.co.uk/for-home/
Lots of free resources for Primary age

Big History Project https://www.bighistoryproject.com/home
Aimed at Secondary age. Multi disciplinary activities.

Geography Games https://world-geography-games.com/world.html
Geography gaming!

Blue Peter Badges https://www.bbc.co.uk/cbbc/joinin/about-blue-peter-badges
If you have a stamp and a nearby post box.

The Artful Parent https://www.facebook.com/artfulparent/
Good, free art activities

Red Ted Art https://www.redtedart.com
Easy arts and crafts for little ones

The Imagination Tree https://theimaginationtree.com
Creative art and craft activities for the very youngest.

Toy Theater https://toytheater.com/
Educational online games

DK Find Out https://www.dkfindout.com/uk/
Activities and quizzes

Twinkl https://www.twinkl.co.uk
This is more for printouts, and usually at a fee, but they are offering a month of free access to parents in the event of school closures.

Physical Education (P.E) Physical Education Drive
A complete guide to staying active and healthy whilst at home. Includes healthy eating, mindfulness and different physical activities for parents to do with children at home.

Workout With Joe! Joe Wicks – Body Coach YouTube
Starting Monday 23rd March – Joe Wicks is doing a morning workout every morning at 9am for parents and children to take part in.