Tripura Board of Secondary Education (TBSE) was established in 1973 by an Act (Tripura Act. No.12) called Tripura Board of Secondary Education Act, 1973 as passed by Tripura Legislative Assembly. The Board started its functioning from the 1st January, 1976. Intervening period was spent in framing rules and regulations, curricula and syllabi, and such other guidelines which were being necessary for smooth and active conduct of the business of the Board.
Before 1976, all the high and higher secondary schools of Tripura were affiliated under the West Bengal Board of Secondary Education and the students of Tripura had to appear at the school final and Higher Secondary Examinations conducted by the West Bengal Board of Secondary Education.
It was in 1976 that the Tripura Board of Secondary Education conducted its first Public Examinations - School Final Examination [old system], Madhyamik Pariksha (Secondary Examination) [new system], and Higher Secondary Examination [old system]. Subsequently, Higher Secondary (+2 stage) Examination [new system] was introduced in 1978.