The Leaving Certificate (Established) is a two-year programme that aims to provide learners with a broad, balanced education while also offering them a chance to specialise towards particular higher education and career options.
In general, students take seven subjects for examination, 3 core exam subjects and 4 Option subjects. Subjects are normally studied at either Ordinary or Higher Level. Two subjects, Irish and Mathematics, can be studied at Foundation Level.
In St. Mary's, the curriculum is as follows:
| Core |
Option |
| English |
Art |
| Irish |
Biology |
| Maths |
Business |
| Religion (Non exam) |
Chemistry |
| PE ( Non exam) |
Geography |
| |
History |
| |
Home Economics (Social & scientific) |
| |
Music |
| |
Modern Foreign Language ( French or Spanish) |
| |
LC PE |
