Complex sentence: St. Thomas Residential School was established by The Mar Thoma Church Educational Society (MTCES) in June 1966 is a Co-educational English Medium School affiliated to the Council for the Indian School Certificate Examination, New Delhi and prepares students for the ICSE and ISC Examinations.
Split into simpler sentences: St. Thomas Residential School was established by The Mar Thoma Church Educational Society (MTCES) in June 1966. It is a coeducational English Medium School affiliated to the Council for the Indian School Certificate Examination, New Delhi and prepares students for the ICSE and ISC Examinations.