NIOS Class 12

The NIOS Class 12 examination, also known as the NIOS Senior Secondary Examination, is conducted by the National Institute of Open Schooling (NIOS), an autonomous national board of school education under the Ministry of Education, Government of India. It provides a flexible, open-schooling route to complete senior secondary (Class 12) education, serving school dropouts, working learners and those seeking an alternative to the formal schooling system. The public examinations are generally held twice a year, with on-demand examinations available for many subjects, in offline mode. Students can select from a wide range of subjects across languages, sciences, commerce, humanities and skill-based courses. This page covers complete NIOS Class 12 details – eligibility, exam pattern, important dates, application process and preparation tips.