Important information related to Admissions to Castletroy College 2025-2026 available at the links below.
View our Enrolment Hub here
Admissions to All Year Groups (including first year following the completion of The Common Application System)
Admissions Policy
Application Form
1st Year Admissions via The Common Applications System
Castletroy College Admissions Notice 2025-2026
Castletroy College Admissions Policy 2025-2026
Common Applications System - Information Leaflet (English Version)
Common Applications System - Information Leaflet (Irish Version)
Common Application System - Privacy Notice (English Version)
Common Application System - Privacy Notice (Irish Version)
Application Form (English Version)
Application Form (Irish Version)
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