A few steps
Whole house
Keep the records
What the state wants on file, and where each one lives.
1. Days or hours taught
2. The yearly test or review
3. Declaration of intent
4. Proof of the teacher rule
5. Shot record, or the exemption form
One page that shows what you did, in case anyone ever asks. It fills in from your ticks.
This is a summary of public law, not legal advice. Requirements change, so always confirm with your state before you file.