List of external high school courses

I am looking for online courses and community college courses. Do you have a sheet that lists several options?

Some students prepare themselves for college by taking extra courses externally, either through a community college, an online fee-paying school or even free not-for-profit educational organisations (for example Khan Academy- https://www.khanacademy.org/).

Here is a comprehensive list of courses that include high school and college credit-eligible courses https://drive.google.com/open?id=1YNAYysRK_q7-3eHL5DAbZqRydfm9v1Yc5_aSuG3SgCA