412 Jefferson Pkwy ste 100, Lake Oswego, OR 97035, USA, Lake Oswego, Oregon 97035
Accreditation "Montessori" has no trademark protection, so accreditation from a real body is the closest thing to a quality check.Source: Accrediting body's own directory
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AMS Member
AMS Member means the school has joined the American Montessori Society and affirms alignment with Montessori principles, but has not (yet) completed AMS's formal accreditation review — membership alone doesn't verify classroom practice.
Verify directly at amshq.org/schools using the school's name and city.
Accreditation is not the same as an operating licence. A provincial/state child care licence or private school registration only confirms a school is legally allowed to operate — it says nothing about whether the teaching method is Montessori.
Teacher credentials matter too. Ask how many lead teachers hold AMI, AMS, or MACTE-accredited teacher training — a strong signal independent of the school's own accreditation status.
Full guide: how to verify any Montessori school →412 Jefferson Pkwy ste 100, Lake Oswego, OR 97035, USA, Lake Oswego, Oregon 97035
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