The Calcutta Boys' School

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Academic Achievements


Event Calender


  • USO Investiture Service: A formal ceremony in which the office-bearers of the United Students Organization are duly sworn in. Date : 30th March 2015
  • Lingua Fiesta: A three-day intra-school festival of creative writing, elocution, debate and quiz competitions in English. Bengali and Hindi. Date : 6th - 9th March 2015
  • Rabindra Jayanti Celebrations: A programme of Rabindra Sangeet. drama and valedictory speeches in tribute to the great Indian Nobel laureate Rabindranath Tagore. Date : 9th May 2015
  • Arbour Day: A day for planting tree saplings in recognition of the need for concern for the environment. Date : 17th July 2015
  • Specch Day: The annual prize distribution day. Date : 26th June to 4th July 2015
  • CBS Soccer: Annual Inter-House Football Tournament.
  • Aerial Conquest: Annual Inter-House Kite-flying Competition organized in the 3rd week of September. Date : 21st September 2015
  • COSMA: The intra-school COmputer, Scicnce and MAthematics festival of computer presentations, science exhibitions, and quiz contests. Date : 21st January 2016
  • Concord: The inter-school cultural festival. (The oldest Inter-School festival of Kolkata instituted in 1983). Date : 21st July 2015
  • Carnival: The annual fete organized in the last week of November. Date : 28th November 2015
  • Panorama: The Annual Athletic Meet and P.T. Display (all Kolkata Campuses). Date : 16th December 2015
  • Christmas Cantata: A Christmas presentation of carols and a nativity play at the Thoburn Methodist Church. Date : 18th December 2015
  • Crescendo: The Annual School Concert (Main School). Date : 15th &16th October 2015
  • Canvas: Art & Craft/Photography display. Date : 21st January 2016
  • Founder’s Day: The Birth Anniversary of BishopJ.M. Thoburn on 7th March. (All CBS Campuses). Date : 7th March 2016
  • Dedication Service: A solemn worship service for the students about to appear for the ICSE and ISC Board Examinations. Date : 29th January 2016