That's according to the latest School League Table.
Students in Dublin, Cork, Limerick and Galway are more likely to stay within their own county to study at thrid level.
That's according to the latest School League Table published in today's Sunday Independent.
The latest data shows that many Leaving Cert students are choosing a college or university close to home.
Athlone IT is the most popular for people from Westmeath, Offaly and Longford.
More than 90 per cent of those in Dublin stay in the capital to study while UCC and CIT account for 78% of all Cork students who go on to third level.
Almost three-quarters of Galways students attend NUIG or GMIT and two-thirds of Leaving Cert pupils in Limerick go on to UL or LIT.
In the south-east more than half of sixth year students progressed to WIT while 23% of their Kilkenny counterparts also attended the Waterford Institute.
In Donegal 43% of students stayed in the county and studied at Letterkenny IT while IT Kerry took in almost a quarter of Kerry students.
That figure is the same in Kildare where 24% of students study in Maynooth University.
Louth pupils account for 23% staying within the county to study at Dundalk IT.