The Board has responsibility, derived from the Patron, to manage the school and to uphold the characteristic spirit of the school, as defined by its values and traditions.
The current members of the Board are as follows:
| Robert Grier | Chairman and Archbishop’s nominee |
| Caitríona Mac Aonghusa | Deputy Chair and Archbishop’s nominee |
| Rev Gillian Wharton | Archbishop’s nominee |
| Rev John Tanner | Archbishop’s nominee |
| Scott Rankin | Archbishop’s nominee |
| Julia Fox | Archbishop’s nominee |
| Jonathan Chawke | Parent nominee |
| Karen Ruddock | Parent nominee |
| Eoin Norton | Teacher nominee |
| Sheila Ahern | Teacher nominee |
| Pat Lavelle | Dublin and Dún Laoghaire ETB nominee |
The Board determines the policies that are necessary for the effective running of the school and ensures that they are consistent both in content and in implementation.
The Board leads in:
