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
Amit Sharma (director) left the tutorship of Sarkar, and in 2004 he set up his own company, Chrome Pictures, with Aleya Sen and Hemant Bhandari. Later that year, he was offered an assistant role on Sarkar's film, "Parineeta", which he turned down because it clashed with his planned wedding to Sen. Between 2005 and 2015, Sharma directed over 900 advertisements, including those for Google, Coca-Cola and Amazon. In 2011, he directed an advert entitled 'The Silent National Anthem' featured deaf and mute 'singing' the Jana Gana Mana through sign language, and won a silver award at the Cannes Lions International Festival of Creativity.