| Mary Ellen Murphy | Principal & Art | Carol Higgins | Science, Biology & Chemistry |
| Matthew Whelan | Deputy Principal & Irish | Ciara Henry | Home Economics |
| Mia Dolan | French | Martin Quinn | PE & Maths |
| Elaine Dillon | Home School Liaison | Debbie Horgan | Business & Accounting |
| Ailbhe Robinson | Home Economics & Irish | Annemarie Busteed | Science & Biology |
| Anna Poulsen | English | Lia Cowen | Art |
| Helen Hynds | Maths | Sheenagh Maxwell | Irish & French |
| Shona Doyle | PE & Geography | Sinead Cunningham | English & Religion |
| Suzanne Byrne | Art | Carmel Rowan | Business & Geography |
| Mary Kelleher | Business, LCVP & Geography | Sarah Casey | Art |
| Aidan Greene | Music, C.S.P.E. & History | Joan Nolan | Irish |
| Marian Ryan | Religion & Irish | Andrew Brennan | English |
| Gareth Lenehan | Science, Chemistry & Biology | Margaret Hayes | E.A.L |
| Paul Howard | Learning Support, History, Maths & C.S.P.E | Claire Murphy | Maths & Physics |
| Carmel O’Donoghue | Maths, French & C.S.P.E. | Romy Greham | English & Religion |
| Catherine Clifford | Guidance Counselling | Ruth Murphy | English |
| Fiona Cullen | Music, History & C.S.P.E | Nicole Walsh | History & Geography |
| Shona Kileen | Chaplaincy | Brendan Wall | Maths & I.T. |
Special Needs Assistants (SNA’s)
Maider Igartua
Lorraine Taylor
Cecelia Young
Ancillary Staff
Alison Wilson | Secretary (secretary@loretocrumlin.ie)
Phyl Kiernan | Bursar (bursarloretocrumlin@eircom.net)
Alan McGovern | Caretaker
Ethel Pagett | Housekeeper
Zuzanna Kopecka | Librarian/Attendance Officer