Informal chat about previous experience in tutoring. What you would do under different case scenarios. Your schedule. Tour around the location. Not very difficult pretty basic and straightforward. Previous experience would help.

Interviewer no showed the first interview. We rescheduled and they were late for that interview. Interviewer was eating cupped ramen as they interviewed me. The interviewer dismissed my resume experience. They had me roleplay scenarios with kids acting troubled. I was then told to visit the site in person. After doing so I received a job offer which I accepted. They did not follow up after I accepted the offer and completed a background check. Did not end up working for them...

One round of online interview followed by in-person interview. They mostly want to see your enthusiasm as it is working with children. Showcase your STEM related skills and talk about your experience if any.