| Roll number | 64830E |
| Address | Corlatt, Monaghan, Co Monaghan |
| Principal | Mr. Johnston Trevor Reid |
| Website | www.monaghancollegiateschool.ie |
| mcsprincipal@monaghancollegiateschool.ie | |
| Phone | 04782060 |
| Ethos | Church Of Ireland |
| Gender | Mixed |
| Enrolment total | 281 |
| Enrolment boys | 149 |
| Enrolment girls | 132 |