| Roll Number | 65190W |
| Local name of school | SLIGO GRAMMAR SCHOOL |
| School Level | POST PRIMARY |
| School Level Detail | SECONDARY |
| Principal's Name | MR. MICHAEL DAVID HALL |
| Ethos | CHURCH OF IRELAND |
| Gender | MIXED |
| Language of Instruction | NO SUBJECTS TAUGHT THROUGH IRISH |
| DEIS Indicator | NO |
| Transition Year Indicator | YES |
| Enrolment Total | 488 |
| Enrolment Boys | 277 |
| Enrolment Girls | 211 |
| Free Education Indicator | NO |
| Fee Charging Indicator | YES |
| Day/Boarding | NA |
| Inspection Reports |
Reports |