65% of students at IT Tralee completed their courses according to a new report.
The Higher Education Authority study is based on completion rates for Level 6,7 and 8 courses undertaken between 2008 and 2011.
The second highest non-completion rate for a course was biology and biochemistry at IT Tralee, with 81% not finishing the course.
Nationally, three out of four undergraduates who entered higher education between 2008 and 2011 completed their courses.
Between 60 and 80% of students in some third-level computing and engineering courses dropped out.
Just under half of those with fewer than 300 Leaving Cert points completed their third level course.