Advice on resume

I used to work as an Administrative Assistant (1998 - 2001) I quit to go to school full time (2001 - 2005). I went in to teaching (2006 - 2018). I earned a business degree (2020 - 2022). Personal circumstances being what they are, I went to work at The UPS Store (2022 - 2024) which was a really stupid choice on my part. I started a mobile notary business (2023 - present).

I want to find work as an Administrative Assistant. Should I take the work experience from 1998 - 2001 and put it in the place of The UPS Store.?

The Administrative Assistant position I had from 1998 - 2001 went out of business. There's no website online to verify. What are your thoughts?