I gColáiste Chilliain cuirtear an-bhéim ar ghlacadh páirt in imeachtaí seach-churaclaim. Tugtar deis do dhaltaí na scoile seo a bheith rannpháirtíoch i spóirt éagsúla agus i gcomórtais idir-scoileanna. I measc na spórt a imrítear nó a glactar páirt iontu sa scoil seo tá;
- Peil Ghaelach
- Iománaíocht
- Camógaíocht
- Sacar
- Cispheil
- Snámh
- Lúthchleasaíocht
In Coláiste Chilliain we place a strong emphasis on taking part in extra curricular activities. Students are given the opportunity to participate in various sports and in inter-school competitions. The following is a list of some of the sports the students here participate in:
- Gaelic football
- Hurling
- Camogie
- Soccer
- Basketball
- Swimming
- Athletics