Jackson

1. Cộng đồng
2. Content Requests and Feedback
3. Freinds and competitions

This would be interesting!

1. Cộng đồng
2. Content Requests and Feedback
3. Content Request: Educational Resources for OCD and Mental Health

Having OCD myself this would be pretty nice. I struggle with many of the listed problems in here but Khan academy has been the best. 

1. Cộng đồng
2. General Khan Academy Questions
3. Course Challenge Start Over Button

Do you have to get 100% specificly on the course challenge? Thats tough. I can't do that.I always end up with a few wrong.