The Sydney Montessori Society (SMS) was established in 1975 and opened The Children’s House Montessori Pre-School West Lindfield – one of the first Montessori schools in NSW. Recognition of the high quality of education provided at West Lindfield continued to grow within the community and, in 1985, SMS established a second school at Boronia Park. In January 1998, the Boronia Park premises were moved to Cressy Road. North Ryde. In 2001 Parents from the West Lindfield campus initiated a split from SMS and from January 2002 the West Lindfield school operates as a separate company. The Sydney Montessori Society continues to operate the Cressy Road Pre-school with both a morning and afternoon class. In 2005 SMS Council contacted the four “Founding” members of the society for a thirty year celebration. Thirty Trees were planted in the surrounding bush to mark this occasion.