Majhi, who fell sick since the early morning of the first day of the exam, died last night in her own room, said police.
Majhi was from Batase-4 of the district.
She had attended the exam on the first day of the SLC despite being suffered from fever.
Majhi, who went to meet local health workers for treatment, passed away shortly after the treatment, informed local teacher, Deepak Poudel.
383 students absent in SLC exam in Khotang
The reason of death has not been established yet. She, however, believe to have been died of typhoid.