Teachers are in the business of educating.
Lesson plans, marking and looking out for development in their classrooms is their bread and butter.
But increasingly, staff are just as likely to be involved in literal bread and butter, by rolling out free meals to pupils caught in the crossfire of the cost-of-living crisis.
It's a path more and more schools have had to travel down as they increasingly see pupils without lunch money or coming to school on an empty stomach.
While about 30% of Northern Ireland pupils are entitled to free meals, many schools would like to see Stormont invest in breakfast for all pupils.
For Karen Mulholland, the principal of City of Armagh High School, there is a clear need.
