St. Xavier's Collegiate School (informally SXCS) is a private Catholic primary and secondary school for boys, located in Kolkata, West Bengal, India. The school was founded in 1860 by the Jesuits under the supervision of Fr. Henri Depelchin S.J., and it is named after St. Francis Xavier, a 16th-century Jesuit missionary to India. The school caters to approximately 2,300 students.