Besant Arundale Senior Secondary School was started by Smt. Rukmini Devi Arundale, as an adjunct, to Kalakshetra, in the Year 1973. When Dr. Maria Montessori visited India, she stayed with Dr. George Arundale and Smt. Rukmini Devi Arundale in Chennai. Dr. Maria Montessori and Smt. Rukmini Devi Arundale worked together to spread the Montessori philosophy in India. The First Montessori School in India was started at Kalakshetra. The Montessori section of education was revived in Besant Arundale Senior Secondary School in the year 2008. The core philosophy is characterised by mixed age group of children from 2½ to 6 years and a special set of child oriented, scientifically prepared educational material. The Montessori section has four environments, with child centric classrooms in order to help children to work at their pace & capabilities. The school community and parents work together towards the holistic development of the child.