The Fairgreen National School is a Parish School reflecting and promoting the ethos and characteristic spirit of the Church of Ireland. The school seeks to uphold and express the doctrines, moral teachings, traditions, practices and customs of the Church of Ireland as defined by the General Synod. This distinctive spiritual and moral dimension undergirds and permeates the core values and daily life of the school.

The Patron of the school is the Bishop of Kilmore, Right Rev. Ferran Glenfield.