| Roll number | 91413O |
| Address | St. Brigid's Road, Portumna, Co. Galway |
| Principal | Mr. Shane Mc Clearn |
| Website | www.portumnacs.ie |
| principal@portumnacs.ie | |
| Phone | 0909741053 |
| Ethos | Inter Denominational |
| Gender | Mixed |
| Enrolment total | 423 |
| Enrolment boys | 217 |
| Enrolment girls | 206 |