I have seen quite a few high school students use this system and coaching program with great success. I know it works! With college costs rising, families are needing to find ways to cut costs. Earning college credit while in high school is a great way to save on college costs.
There are several other options listed on the homeschool college page including planning for high school, homeschool friendly colleges, and how to homeschool college.
Just scroll down to the bottom of that page to get access to the free ebook.