A task team probing the quality of matric education is expected to submit a draft report soon.
Gauteng learners who qualify to write the matric supplementary exams can still register today.
Western Cape matrics who qualify for supplementary exams must register by 21 January.
Correctional Services head Tom Moyane says young prisoners need to be empowered with education.
Prisoners who wrote the matric exams in 2012 achieved a 79.2 pass mark.
The Basic Education Department says the deadline for matrics to register for a rewrite is around the corner.