Loreto Day School , Bowbazar was established in 1844 on the 8th of December. It was known as St. Francis Xavier Convent. It was originally a small private school owned by Mr. & Mrs. Cooper. There were boarders from the middle income group, who paid their fees. A Free school was also running parallel to the paid school. There were both boys and girls. In 1845 the Christian Brothers took charge of the boys. LBB was the second assignment for the young Loreto Sisters who came to India from Ireland. The Cathedral of the Most Holy Rosary 15, Portuguese Church Street, Kolkata 700001 being the first port of call after reaching India in 1841 on the 30th of December. In 1845 the Loreto sisters were asked to help in the Medical College Hospital temporarily. The sisters managed the domestic & household duties. They managed the provisions & looked after the ladies in the Female Ward. This arrangement proved to be economical for the doctors. In 1857 the year of the Mutiny, there was a rumour that trouble might spread to Calcutta. The people from the suburbs were removed to Fort William area and the orphans and Sisters from Loreto initially were moved to Loreto Bowbazar.