North Shore Montessori School is a non-profit organization chartered by The New York State Board of Regents, is recognized by the Three Village School District, and is affiliated with American Montessori Society. Located in the quaint and historic village of Old Stony Brook on eastern Long Island, the North Shore Montessori School offers the finest enriched learning experience for infants through school age children. Since its inception in 1970, this organization has remained the strong Montessori parent cooperative which was envisioned by its founders.