The funeral will take place in County Kerry tomorrow of Scoil Bhride, Naas, principal Fiona O’Reilly.
The Sallins Road school was closed today.
The school’s Board of Management closed the school as a mark of respect.
“Our school community is mourning the great loss of our leader, mentor and friend,” said a notice on the school’s website.
The school has almost 700 pupils.
Requiem mass takes place at Knightstown Church, Valentia Island, Co. Kerry tomorrow at 11pm followed by burial at the local Kylemore Cemetery.