St. Thomas' English Medium School language of communication (both written and verbal), all the subjects are taught in English language; apart from Hindi (subject), which is an exception and a regional language. STEMS is tied up closely with The Church. Staff members (including administrators, teachers and helpers) practice Catholicism. Daily assembly happens in the large playground where students start their day with prayers and The National Anthem of India, Jana Gana Mana. Terminal examinations are held thrice every year to keep a performance check and provide feedback about students' progress. Students are required to answer a set of questions, typically by handwriting all answers on
Jana Gana Mana Video video for the instrumental version of the video. The final instrumental was a 40-piece string section along with Pandit Shiv Kumar Sharma, Vikku Vinayakram and other instrumental maestros of Indian classical music. Most of the performances included two generations of maestros - fathers and sons. In Kanika’s words, "It was a huge musical unification... this anthem has so much of soul." It is also notable that during the filming of the anthem with the Ladakh Scouts, there were about 500 jawans who fought during the Kargil war. The producers hoisted a huge flag about 40 feet long for the video