The Education Minister says no student affected by two errors identified in the Leaving Cert calculated grades system will be disadvantaged.
A mistake in one line of code in predictive grades meant 7,200 lower grades were given, while a number of students were given higher grades.
Minister Foley says some students received a higher grade than they should but the grades awarded to them earlier this month will stand.
It's unknown how many students who will receive higher grades as this information will not be available until the correction process has been completed, but it's expected to be in the region of 6,500.
Texts are being sent this evening to students who may have a grade revised up.
Speaking at the press conference Minister Norma Foley says the Dept of Further and Higher Education will work with institutions "to see" how students will be able to take part in courses they should have been offered: