That’s kind of the point of home schooling. We want our children to invent their own version of education instead of trying to fit into someone else’s. If a family is committed and the home school program is well planned, college admissions aren’t a problem.
Home schooled students can submit much more information than what’s required on the Common App supplement. We sent a school profile, our home school philosophy, a course catalog, a grading scale/grading philosophy, and a description of the ECs and volunteer activities available in our community with an explanation for how we chose what we did.
Credibility has never been an issue with home school families in our community. Students don’t need to take courses at local (community or 4-year) colleges to validate their grades. The results of standardized testing (such as OPs excellent SAT scores) will suffice. A letter of recommendation from sources outside the public school system, such as those @TheDidactic listed above, are perfectly acceptable to colleges. Most home school guidance counselor letters come from the parents because we’re the GC as well as the teacher. I’ve never heard it questioned.
If OP plans well and follows his state regulations for home schooling, there’s no reason he can’t get into excellent colleges. I don’t believe paperwork is due in VA until August, so he and his family have plenty of time to plan. To get more information and support from the VA home school community, @Kdkhan, you can visit http://heav.org/