Some of Ireland's principles are among the best paid in according to a European report.
It shows that Ireland ranks seventh out of nearly 40 countries when it comes to salaries.
Maximum salaries are up to €112,000 a year.
Starting wages for secondary school teachers rank 12th in the survey.
President of the Teachers Union of Ireland Seamus Lahart says the higher end salaries for principles are fair:
"That only applies to an extremely small amount of very large schools and the workload as principal of that is just extraordinary probably working five nights a week."