On 13 November 1898, on the day of "Kali Puja", at 16 Bosepara Lane in the Bagbazar area of Calcutta, she started the school. The school was inaugurated by Sarada Devi, in the presence of Swami Vivekananda and some of the other disciples of Ramakrishna. Sarada Devi blessed and prayed for the school saying – "I pray that the blessings of the Divine Mother may be upon the school and the girls; and the girls trained from the school may become ideal girls."