The Senior School comprises of classes IX to XII. The student are prepared for their entry in to the world of further education and future career prospects. There is greater focus on academic development and preparation for examination that provide entrance to universities worldwide. Social skills are enhanced further to give a smooth entry into the international world of education. Personal growth opportunities and sensitization to community development are emphasized especially in SUPW.

There are two external examinations conducted by the CBSE in class Xth and XIIth. The guidelines and education material is fully prescribed and SNEH International School follows the same. On entering class XI, student are helped to select Science / Commerce / Arts stream as per the Boards norms with the prescribed subject option along with Physical education, Computer Science and Life Formation and Hobby development.