My daughter (5) goes to a local dance school on a Saturday morning for an hour and half to do ballet and tap. She enjoys going and I quite enjoy the peace and quiet.
The school principal is in her 70's and has run this school for years. Its a large school and she runs many classes, with help of course. I feel she is rude, aggressive and has no idea of what is appropriate and what is not! 
Admittedly my daughter has missed a several Saturdays recently, one due to the snow, one due to illness and one due to a school competition she was entering.
The last time we went she made a comment to my daughter about not coming enough and then accused me of something in front of other parents and I was puzzled with her accusation. I cleared this up with one of the othe helpers and it was all sorted.
However, I'm naffed off she said this in front of the other parents and makes these comments to my daughter (she has also had other little digs at her) she's 5 FFS!
I've also heard her being rude to other parents and everyone justs sits there and takes it. I'm not known for being scared of confrontation but she really intimidates me! 
Were going in the morning and I just know she's going to tut and make a dig about us missing last week. I'm also dreading telling her we can't come next weekend as were going away with my family. I need to man up don't I
I see it this way, she provides a service that I pay for, so that makes me a customer. I work in customer services and would never be that rude to a customer. So why am I taking it from her?
I don't want to move my daughter as she is settled there, so any suggestions on how to handle her would be appreciated. 