I don't have any real good advide other than to add that I think these sorority ladies are in almost every school. I know they all go into the job/position with very very good intentions. And their actions are probably driven from good intentions, but its probably human nature that takes over and the need for attention drives the actions. They probably do not see the monster that they are and in their twisted good intention minds, they think they are doing all the best. They are every where. You wonder where the idea of the Stafford Wives could have came from. All I know is that I remember reading an article when my first was very young, warning against attempting to be the "queen bee", bc it will have a negative on your child's rep at school. The teachers may start to treat them diff if they know that the mom is on the PTO, especially if they need help or have gotten help from the PTO. The ladies on my school can pretty much choose the teachers that they want for their kids. And its not just at this school. I have a friend who lives in Kansas City and have told me stories of the PTO pres pressuring her into a position and dangling the reward of "punching your own ticket" the rest of your child's school years.
I stay active and volunteer as much as I can. I make sure that I keep my goals in tack in my mind and that is to benefit my child and his class and his teacher. I work directly with the teacher to see what it is that she needs. Most of the time the stuff that the PTO organizes the teachers don't even care for. So having a great relationship with your child's teacher helps. I have learned not to request a specific teacher bc I have seen it have a reverse effect and me coming out on the better side bc I did not "write in" my request. So stay active and involve and let them be would be my opinion. You are not going to change them and if you stay in your house the rest of your child's school years, you and their paths are going to cross. Good luck