Montessori Casa International, Denver, Children Sing On the 31st January 2020, the children of the Montessori Casa International, in Denver Colorado, celebrated Maria Montessori's 150th Birthday. Tags Song United States Denver Montessori Schools Andilek Prague Children Sing Wilson Montessori, Texas USA Children Sign Maria Montessori Children's House in Bogota, Colombia Celebrates Caboolture Montessori School (Australia) Students Sing How the Inspirational Life of Maria Montessori has Impacted the World Himno Montessori Celebrates Montessori 150 Load More