KPI Recruiting interview questions

Lots of phone calls followed by a on the job trial shift style interview at a school (unpaid). The staff can be overly-persistant bordering on rude while in the process of interviewing, which can cause doubts about the company.

I had a trial and interview on the same day. Only ask about how was the school, why this position, what inspired me to become a teacher and why this school , introduce myself.