TBH (and I'm not saying that I don't agree with the comments above
), I don't think that I would make a big deal of the personality of the HT if nothing else about a school had caused disquiet. If the rest of the staff, and the pupils, seem to be getting along just fine along with or despite the HT, then given the number of times in the average year I would be likely to need to endure The Presence, I would probably just ignore it. However, if I was comparing schools that were otherwise schools I was comparing were otherwise completely equal, obviously I would tend to go with the more personable HT.
My own horror story re an open evening at WHSG.... The Head spent a great deal of time and effort making everyone fill up seats from the front of the hall. I found myself stuck behind a couple who seemed to have brought several children with them, none of whom looked anything like a girl of vaguely the relevant age. However, there was one of five or six years old, who sat swishing her hair violently from side to side for the whole time, to the point at which I seriously thought that I was going to be sick
. Not to mention wondering whether she might be