Grennan College is a state, co-educational, multi-denominational secondary school in Thomastown, Co. Kilkenny. Established in 1958, it provides a holistic education focused on academic, personal, and experiential development. The school fosters student wellbeing and community engagement through diverse programs like Transition Year, LCA, LCVP, and the Anseo Attendance Initiative, supported by a dedicated Student Support Team and strong links with local community and sporting bodies.