Annalitten National School is a historic primary educational institution in Castleblayney, Co. Monaghan, established in 1888. The school provides comprehensive primary education from Junior Infants to 6th Class, including specialized ASD support, learning assistance, and a wide range of extracurricular activities such as sports, creative workshops, and environmental projects. It serves as a central pillar of the local community, maintaining a legacy of local engagement and historical continuity.