| Roll number | 70100W |
| Address | Bóthar Nangor, Cluain Dolcáin, Baile Atha Cliath 22 |
| Principal | Feargal Ó Giolláin |
| Website | - |
| eolas@colaistechilliain.ie | |
| Phone | 014574888 |
| Ethos | Multi Denominational |
| Gender | Mixed |
| Enrolment total | 399 |
| Enrolment boys | 219 |
| Enrolment girls | 180 |