The Bihar School Examination Board is established for holding and conducting an examination at the end of the Secondary School stage, for prescribing course of studies for such examination and for carrying out such other objects and duties as may be considered
necessary for the purpose as stated in the Act, Rules and Regulations of the Board.

Normally every year the Bihar School Examination Board conducts Annual Secondary School Examination in the month of February/March
and Supplementary School Examination in the month of August/September on the basis of course/syllabus as prescribed by the
state Government.