Besides Khan Academy and Scratch, there are other sites where you can go to learn various subjects:
- American Museum of Natural History - External
- Big Data University - analytics, Big Data, and data science
- Duolingo - languages
- Memrise - multiple subjects
- School Yourself - math
- Snap! - programming in plain English with blocks
- The Typing Club - touch typing
- Vocabulary.com - vocabulary
- YouTube - multiple subjects
Please comment and tell us about any other sites!