The origin of The Calcutta Boys' School is closely linked with the establishment of the Methodist Episcopal Church ( now the MCI) in India.The Calcutta Boys’ School is a Christian Minority Anglo – Indian English Medium day school under the control and authority of Bengal Regional Conference of the Methodist Church in India, managed by the Calcutta Christian School Society (Regd). In 1874 Rev. Mills Thoburn succeeded Rev. Dr. William Taylor, the famous evangelist known for establishing the first Methodist Church in Zigzag Lane, Calcutta. It was Bishop J. M. Thoburn who founded The Calcutta Boys’ School in March, 1877 with 6 children

James Mills Thoburn was an American Bishop of the Methodist Episcopal Church best known for his missionary work in India. He reached India in December 1859, setting foot on Indian soil for the first time at Babughat, Calcutta. Preaching in both the native and European languages, James’ missionary zeal pioneered remarkable growth of the Methodist Church in India

Under the leadership of present Principal & Secretary, Mr. Raja McGee, The CalcuttaBoys ‘School has extended beyond its mother campus and its branch campuses were established at Sonarpur in 2008, Beliaghata in 2010, in Asansol in 2015 and at Shantiniketan Bolpur