I was forced to move to a new city and there were no middle schools that supported the classes I needed to take. We decided to homeschool and since I already had experience with khan academy, we decided to use it for math 2 and AP biology. I have now passed the ninth-grade Iowa standardized test and am starting high school as a sophomore when I'm young enough to be in 8th this upcoming year. Thank you so much khan for being an option for students who need help. Special thanks to Sal if this manages to get to you.