| Roll number | 60070K |
| Address | Dominican College Sion Hill, Cross Avenue, Blackrock, Co Dublin |
| Principal | Miss Sheila Drum |
| Website | www.sionhillcollege.ie |
| admin@sionhillcollege.ie | |
| Phone | 012886791 |
| Ethos | Catholic |
| Gender | Girls |
| Enrolment total | 444 |
| Enrolment boys | 0 |
| Enrolment girls | 444 |