St. Ann’s High School is affiliated to the Council for the Indian School Certificate Examination, Pragathi House, 3rd floor, 47-48, Nehru Place New Delhi – 110019.

The Council has been constituted to secure suitable representation of governments responsible for schools (which are affiliated to it) in their states/territories; the Inter–State Board for Anglo–Indian Education; the Association of Indian Universities; the Association of Head of Anglo–Indian Schools, the Indian Public School Conference; the Association of Schools for the ISC Examination and eminent educationists.

The objects of the Council is educational, and includes the promotion of science, literature, the fine arts and the diffusion of useful knowledge by conducting school examination through the medium of English. The Council exists solely for educational purposes and not for purposes of profit.