The article seems to contradict your claim: > In 1936, all the Montessori schools in Italy were forced to shut. With the help of one of her students, Ada Piers

The article seems to contradict your claim: > In 1936, all the Montessori schools in Italy were forced to shut. With the help of one of her students, Ada Pierson, Montessori settled in the Netherlands, where she lived until her death in 1952. Pierson gave her a big house in Laren, near Amsterdam, where she dreamed of expanding her method from young children to adolescents, ‘a delicate age, full of surprises’. Most of the anecdotes in the article are about children younger than 6.