Only 3% of people in Kerry have no formal education or failed to progress to secondary school.
This compares to a rate of 6% along the border counties of Cavan, Donegal, Leitrim, Monaghan and Sligo.
These figures are contained in a report released by the Central Statistics Office.
The Educational Attainment Thematic Report 2022, found nationally that 63% of people aged between 25 and 34 have progressed to education post secondary school.
Meanwhile, those aged 35 to 44 have a third-level attainment rate of 58%.