What do you mean?

If you mean for entry level service level stuff, like high schoolers would take, I can't speak to it (I couldn't really find anything when I looked, but I think that was attributable to the general difficulty of finding a first job. No one asked me what high school I was attending/had attended), but for post-college, no one ever asked me about high school.

As to getting into college, I had to take the SATs, same as everyone. I did better than most. I started at community college (which I believe everyone should do, both because financially it makes sense, and because it helps acclimate you to the realities involved. For home/unschoolers, having deadlines and having to learn to 'work the system' are both necessary), then went to university. Graduated highest honors.

Ok, I was assuming the entire education was self-taught/unschooled. But in this case it was unschooled until the person chose to go to traditional college and get a certifiable degree. I was wondering about someone who went the whole way without traditional schooling.

Ah, can't speak to that. Certainly, there are fields you can not work in without a degree, certification, or licensing, even if self-taught. But there are also plenty you can enter with only the knowledge you've learned on your own. Software is a good one; there are plenty of places that will hire a developer even without a degree.

Nerve-wracking because homeschooling teaches you nothing about career readiness without experience, but that's basically true whether or not you got to spend most of your childhood experimenting with things you actually end up enjoying. For me part of it was luck (lucky that someone took a chance on me and I grew into it from there), but looking back I think putting yourself into a position where you get to practice doing something you're actually passionate about will end up bleeding through into a natural progression/networking. For example, if programming is your hobby before it's your job, by the time you're wanting to interview for a job you will probably already be in some kind of club/group, local makerspace, have friends online who are into game mods, etc. to help get your foot in the door and that's all before you're even college-aged.

"...homeschooling teaches you nothing about career readiness without experience..."

But homeschooling gives you the flexibility to pursue experiences that would be hard to manage if on a traditional school schedule.