St. Sebastian's School was established in the year 1980. Our Founder the Late Mr. C. Rozario saw the need to provide a good holistic education to many children in the local and surrounding areas of Seal Lane. He founded St. Sebastian's School in commemoration of his second son Sebastian Rozario who passed away at a very early age. The school started with 5 students and 2 teachers in a small rented apartment at Seal Lane and gradually after acquiring the present premises at 14, Seal Lane, Kolkata 700015.