I am (thankfully) in Indiana. I have to keep attendance to show they had 180 days of school and be able to show they are learning. No testing, no intent letters, no preapproval of curriculum, they dont tell us what to teach or how long. It is one of the easiest states to homeschool in.
I haven't officially started yet, we are letting DS finish the year.
From what I've read the only "rule" is it has to be done by a parent.
No umbrella school, can teach what ever, no letters to anyone, and no turning in any paperwork what so ever..
I'm in Michigan, too. Absolutely NO hoops, no paperwork to file, nothing. It used to be a really BAD state for hs'ing, but some people sued, claiming religious discrimination or something and got it changed. Now it's one of the most lenient states!
I live in IL. There's no need for any notification of the school district, no records to show anyone, no testing, no hours to track. I was actually a little disturbed by the lack of accountability, but it sure makes my life easier.
I say that after realizing that keeping a portfolio so she can get credit for honors classes if she returns to public school is going to be very time-consuming and detailed!
It's not TX or IN but it's super simple with minimal requirements. We have to notify the district and there are requirements for attendance and subjects taught but no real way to enforce them. There is no testing or check on progress.