Knowledge is power. Educate yourself for free. Updated 11/10
An amazingly wide range of topics from academic to recreational, these sites are perfect for learners of all ages. Not just for high school students either, I'm constantly learning new things.
Broaden your knowledge of other cultures and religions.
Just for Fun
Elementary to College Maths
Coding for Adults
If you ever thought about learning to play the ukulele, these are for you. My daughter is currently teaching herself and these have been very useful.
I add to this when I find something interesting. If you would like to add something or are looking for something specific, email me.