A few steps
Whole house
Keep the records
What the state wants on file, and where each one lives.
1. Copies of your report and letters
2. Shot record, or the exemption
Yearly test result
4. Class schedules, materials and how you check progress
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.