Open Schooling System was established by Central Institute Of Open Schooling (CIOS) as an integral part of
the Board with a mission of providing 'education for all', 'greater equity and justice in the society' which
led to the evolution of a learning society. The main aim is to provide education to all those who are beyond
the reach of formal education due to any social, financial and other reasons. Open Schooling System imparts
education at the secondary and senior secondary levels and committed to the goal of providing education to
all at their door steps by setting a number of study centres in all the districts of India. and achieving
the goal of 'universalisation' of education.
Board conducts on demand examination, annual and supplementary examinations at secondary and sr. secondary levels. The candidates who are appearing for the first time will be the part of annual examination and the candidate who gets a reappear in annual examination will appear in the supplementary examination. A student can appear in On Demand Examination at Secondary level examination any number of times as per his/her convenience. Openness and flexibility is the main essence of Board and it gives a lot of flexibility to the students in the matters related to examination such as (no compulsion of appearing in all the subjects at the same examination) appearing in one or more subjects in the examination as per the convenience, credit accumulation of the passed subjects, six chances to appear in the public examinations over a period of three years, and transfer of credit up to four subjects in the case of open school ex- learners and formal candidates.