Mary Immaculate Secondary School is a co-educational, voluntary CEIST school located in Lisdoonvarna, Co. Clare. Founded in 1949, it provides a holistic education rooted in the Mercy tradition, serving 254 pupils with a curriculum including Junior Cycle, Leaving Certificate, Transition Year, and further education options. The school fosters academic excellence, innovation, and personal development through extensive extracurricular activities, community service, and faith-based initiatives.