Enda Kenny has been met by protestors during a visit to Loreto Community School in Milford this afternoon - with reports that his car was pelted by eggs.
He was in Milford to make a presentation at the School which recently came first in the National Smart Class Initiative.
There is anger at his late arrival with some parents contacting Highland Radio expressing their anger that students have been held back in school.
Among those protesting today were 'Can't Pay Won't Pay' - spokesperson Michael Mc Giolla Easpaig defended protesting - some have expessed concern that it tarnished the experience for students.
Meanwhile, Enda Kenny has been heavily criticised by 'Donegal Action for Cancer Care' and 'Donegal Auction Against Austerity' for refusing to meet with them during his visit.
But speaking to Highland Radio News in Letterkenny, Deputy Kenny said his busy schedule would not allow time for meetings:
The Taoiseach also used his visit to Donegal to call for a yes vote in Fiscal Treaty Referendum on May 31st.
He said he was happy with how the campaign was going so far: