St Thomas English School is affiliated to I.C.S.E (Indian Certificate of Secondary Education examination), I.S.C (Indian School Certificate Examination) & C.V.E (Certificate of Vocational Education Examinations) New Delhi.

Courses and curriculum are as per the Accrediting Commissions' rules and regulations. But education is provided with relevance. Teachers are drawn from different states of India. They are committed to it. Special emphasis is given to Math’s, Science, and Languages.

Modern class [IKEN Classrooms] provide realistic feel in education and make the classroom more vibrant and student-friendly. Students get first-hand experience in the lessons they study.