They'll remain open until January.
Online CAO applications open at midday today for students looking to attend third level next year.
From now until January 20th, students can set-up their accounts at a reduced cost.
The applications process will then close on February 1st, but students can still make changes to their course choices up to July.
Mullingar guidance counsellor Betty McLaughlin says it's a simple process, so it's worth setting up early: