ATAR Results - A record 71,000 students sat the exams in November and results are being made available online, and via text message and telephone on Wednesday.
The hard-copy award documents are due to arrive in schools on Thursday.
School principals were able to access the results on Monday.
Australian Tertiary Admission Rank (ATAR) results are being published on Thursday from 9am (AEDT).
The ATAR measures a student's overall academic performance in the HSC against other students, helping universities rank applicants.
NSW Education Minister Verity Firth said a range of support services were available to HSC students.