Assurnet – Another important (and related point): In addition to checking out the schools in RBS, you should also check out the neighborhoods before you decide which section/street of RBS to move to.
There are different neighborhoods in RBS with different hashkafos – some more Chareidi, and some more Dati Leumi, some more “Yeshivish”, and some more “modern”, some more Israeli, and some more American, and some more of a mix. Each RBS is different (Alef, Bet, and Gimmel) and within each one, there are different neighborhoods/streets.
In addition to other things, this can also be connected to the school that your kids go to. As WTP pointed out, if you send to the regular Bais Yaakov, your kid has to go to a particular one based on where you live, and I think the student body is somewhat different in each.
The entire neighborhood is wonderful, and you will probably have wonderful neighbors wherever you live, but if you have a choice, there are neighborhoods that might be more “matim” for you than others.
On the other hand, the specific building may be more important than the particular neighborhood anyhow. I am speaking from experience, having lived in areas that were more my type within buildings that weren’t, and in areas that were less my type but in buildings that were.
I would recommend checking out Rechov Lachish. I have heard wonderful things about it, I know some wonderful people there, and it seems like a nice chevra there. It is in the middle of Ramat Beit Shemesh Alef, both geographically and hashkafically.