The questions that I've asked have often been about things that are important to me and my education. For example, I spoke about international business so I asked how integrated the international student body was with the domestic students?

First of all, great question! Many candidates DO NOT come prepared with good questions and that can have a negative impact on your interview.

If you are interviewing with an alum of the program, I strongly recommend asking them about their experience. Those of us who have been through an MBA know what an incredible experience it was and love to talk about it with others. Its a great way to break the ice and get the interviewer to 'loosen up'

Think of a 'fun' way to ask them about their experience (i.e. 'What is the biggest thing you know NOW after graduating from the program that you didn't know when you were in my position')

Good luck -

I have some my ideals. I think it's good.
1. How receptive are you to feedback from your employees when you do something they disagree with?
2. As a manager, what frustrates you about the people that work for you?
3. Is there a project your department is working on now? If so, how are you interacting with your staff on it?
4. Can you give me an example of how you work collaboratively with other departments?
5. Does the company welcome celebrating special occasions in employees' lives? What was the last occasion your department celebrated?

I think you should ask whatever you want to know, except for questions that can easily be answered by reading the school's website, since it shows you didn't do your research. If you are talking to an alumnus, you can ask why he/she chose that school, what did he/she like about it etc.