A lot of Montessori schools won't let you observe that closely though, at least that's true in our area. Mine let us observe--which is one of the reasons I chose that particular school over others--but only from behind a 1-way mirror. No following from area-to-area was allowed, and I couldn't hear anything.

I don't know why they're so much more weird about observing than other schools, but they are around here!

Kriston