[1][2][3] In 2012, the Revenue Commissioners launched an investigation into a perceived failure of some teachers to declare extra income from giving grinds for tax purposes.
The Association of Secondary Teachers, Ireland denied that this was a widespread problem.
[12] A report, published in 2022 by the Economic and Social Research Institute (ESRI), indicated that increasing numbers of "well-off pupils" were undertaking private grinds to "boost Leaving Cert grades".
[2][13] During the COVID-19 pandemic in Ireland, Irish schools were shut down and elements of education shifted to online channels.
[citation needed] The rise of online grinds represented a shift in the way such education was delivered.