it's a shame as montessori doen well is a really good system but tbh this sounds more like them using the term montessori to get away with just letting the kids wander about in confusion all day and not have to make many decisions.
and wtf, 8500 and thay clearly haven't decided on very basic issues like outdoor play areas and food?
would be quite concerned about the lack of thought re potty training too, kids need a fair bit of reminding for the first year or so, you'd end up having to send 5/6 spare pairs of pants a day!