[citation needed] The school's girls' soccer team have also been in more than 6 All-Ireland finals, winning several of them.

[3] The former Limerick hurler Paudie Fitzmaurice previously taught maths at the school.

[4] Competitive swimmer Gráinne Murphy also attended Castletroy College.

[5] In 2004, Patrick Collison, a student of the school, won second prize at the EsatBT Young Scientist of the Year Awards.

Patrick and his brother John Collison later went on to found the payments company Stripe.