A letter purporting to be from the NSW Education Standards Authority about a rescheduled Higher School Certificate (HSC) exam has been labelled a hoax.

The viral photo of a notice that English 2 students are required to re-sit their final exam has been identified as false, with the education board slamming the scam as "unnecessary stress for students".

"We are aware of a hoax being shared online concerning 'rescheduled exams' for English Paper 2," a spokesperson for the NSW Education Standards Authority said in a statement released on Saturday night.

"This is false and is incredibly disappointing.  

"Sharing hoaxes contributes unnecessary stress for students, who are focused on preparing for their exams. 

"HSC students are advised to disregard rumours and hoaxes about exam content o

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