So, middle school doesn't phase me really. I'm still good with the math through alg 1. After that...HELP! and pretty much same for high school sciences. Everyone has different resources but what we have done is online math where they are taught by someone other than me and graded by someone other than me

High school science I 'farm' out. There are GOBS and I mean, GOBS, of options and classes for homeschool kids to meet their requirements...some do through the public school (if laws allow), private schools/groups, homeschool co-ops (taught by other homeschool moms), online classes, or local colleges. We've done a mix and it's worked well. My dd18 is currently a double nursing and biology major. She got one of the few A's in bio 111 last semester and currently has one of two A's in bio 112 and I never taught her biology. One of her professors actually pulled her aside and asked her where she went to high school because he was so impressed with her work! Haha!! It was proud homeschool mom moment for me

Not trying to be braggy just trying to share that it is very possible to prepare a kid for college even if you forgot all that upper math and science stuff.