The days of "do as I say, not as I do" should be behind you if you want your child to be an excellent student. Kids love to model everything they see adults doing- --whether it's movement, phrases, eating or habits. It's important for your child to see you on a quest for learning as well if you want them to journey to greatness academically.
Their role is truly thankless. They have to herd the volunteers together, field any number of complaints, attend meetings, and gently let down every wide-eyed volunteer with a plan to raise money this way or spend it another, when their idea clashes with the reality of the calendar, or the budget, or the rules around the use school facilities.