Contact Us Castleknock Community College, Carpenterstown Road, Castleknock, Dublin 15, D15 A996Coláiste Pobail Caisleán Cnucha, Bóthar Bhaile an Chairpintéaraigh, Caisleán Cnucha, Baile Átha Cliath 15, D15 A996T: 01-822 1626F: 01-822 1630E: admin@castleknockcc.ie Opening HoursMonday – Friday: 8.50 am – 4.00 pmWednesday: 8.50 am – 12.20 pm Follow Us on Socials Instagram