Check out studentfinance.ie for a start
I think it might depend on how long it was since he finished that year.
Also take into account that there will be a general reintroduction of some sort of fees anyway by next september by all accounts.
He should also look at doing something for the current year maybe a PLC course. It would be a shame to let another whole year slip by and having a FETAC Level 5 in some area might give him a qualification to help him get part time and summer work while at college. It would also get him used to studying again and improve his chances of being successful in college.