Thank you… that helps quite a bit.
I’ll make a recommendation in a moment, but before I do, I’d like to make the following observation: all the points you stress are probably not that important for preschool. Probably any school where your kid won’t feel like an outsider and that teaches your general hashkafah would be acceptable for preschool.
In addition, keep in mind that you are in no way “locked in” when you choose a preschool. It’s not as if the decision that you make today is going to determine his academic future for the next ten years.
That being said, I would recommend (depending on your geography, of course) Yeshiva Toras Emes Kaminetz*. The hashkafah of the school fits what you are looking for. The rabbeim there are generally excellent, motivated and do a very good job. The secular studies department at the yeshiva is well-run and the kids come away learning quite a bit. Rabbi Engelberg is a true professional in education.
The Wolf
* I state all this about the elementary school. I know very little about the high school — but that really shouldn’t be a concern for you at this stage of the game anyway.