Glance through some school brochures. You'll notice quite a bit of language in common: whole child, child-centered, low student-teacher ratios, individualized attention. If so many school settings agree that fewer children per teacher is something to brag about, why are Montessori classrooms so large? Remember the basic design principles of a Montessori classroom: multiage classrooms, specialized materials and extended time to explore them, professionally-prepared teachers an